associate Flashcards
1
Q
Measuring intraocular pressure is also called BLANK.
A
Tonometry
2
Q
What is the technique used to measure the radius of curvature of the anterior corneal surface?
A
A-scan keratometry length measurements
3
Q
Define refractometry.
A
The measurement of the refractive error of an eye.
4
Q
While assessing visual acuity the assistant notes the patient consistently misses the optotypes on the temporal side of the chart, indicating a possible BLANK.
A
Visual Field Defect
5
Q
What is the term for the spasmodic, rhythmic dilating, and contracting pupillary movements during pupil function testing?
A
Hippus
6
Q
Calibration of the applanation tonometer should be checked approximately every BLANK months.
A
Two (or sooner with regular use)
7
Q
The common causes of eye infections are BLANK, BLANK and BLANK.
A
Bacterial, Viral, and Fungal
8
Q
When performing a proper site identification, what two things must be identified?
A
Correct patient, correct side
9
Q
Increased thirst, excessive urine production, and increased hunger and weight loss are characteristics of which endocrine disease?
A
Diabetes Insipidus
10
Q
The higher the intraocular pressure of an eye, the BLANK the eye.
A
harder
11
Q
Keratometry is performed with a device called a BLANK.
A
Keratometer or ophthalmometer
12
Q
What is the name of the instrument that houses various lenses to determine the refractive error of an eye?
A
phoropter
13
Q
in visual acuity assessment the brightness acuity tester (BAT) is used to evaluate BLANK when there are opacities in the ocular media.
A
Glare
14
Q
What is the name of the test used for detecting a relative afferent pupillary defect?
A
Swinging Flashlight Test
15
Q
When cleaning the goniolens, what is used to rinse off the methycellulose?
A
Warm Running Water
16
Q
BLANK are used to determine the sensitivity of organisms to certain drugs so that effective therapy can be carried out?
A
Cultures
17
Q
The YAG laser is a BLANK type of laser and uses quick pulses of energy.
A
Cold
18
Q
What finding can occur 6-8 hours after a metallic foreign body enters the cornea?
A
rust ring
19
Q
Applanation tonometry displaces less than BLANK of aqueous.
A
0.5 microliters
20
Q
Give three examples in which keratometry measurement would be useful.
A
Contact lens fitting, refractive surgery, intraocular lens calculations, keratoconus
21
Q
What is an important factor when preparing a patient for refraction?
A
The refractionist must explain to the patient to choose the lens that provides the clearest vision.
22
Q
In patients with nystagmus visual acuity often improves dramatically when vision is assessed BLANK.
A
Binocularly
23
Q
Which muscle of the iris constricts to bright light?
A
Iris Sphincter Muscle
24
Q
When replacing a light bulb BLANK can diminish it’s effectiveness and life.
A
Oil from fingerse
25
BLANK BLANK BLANK is a major contributing factor in contracting the parasitic organism acanthamoeba.
Contact lens wear
26
What is the method of choice in sterilizing intraocular lens implants?
Ethylene Oxide
27
Why are alkali burns more serious than acid burns on the cornea?
Alkali burns penetrate deeper
28
When recording intraocular pressure, the reading on the goldmann applanation tonometer scale should be multiplied by BLANK.
Ten
29
Keratometry is measured in BLANK
Diopters
30
What is a common mistake made by the refractionist?
Moving or flipping the lenses too quickly for the patient
31
At what distance are adult near visual acuity charts designed to be read?
14-16 inches from the eye
32
What is pupil dilation termed?
Mydriasis
33
Diagnostic lenses that contact the eye can be sterilized using?
Ethylene Oxide Gas
34
Name the two main classified sections of most ophthalmic surgical procedures.
Intraocular and Extraocular
35
Variability in the functions of levator and extraocular muscles is characteristic in which systemic disease?
Myasthenia Gravis
36
What are three appropriate starting points for refracting a patient?
Retinoscopy, Autorefractometry, or patient's current glasses rx.
37
Normal visual acuity in a two-month old infant may be estimated by?
Fixation (follow at 3-months)
38
How should the removable glass slides inside the american optical acuity projector be cleaned?
Wipe with clean, soft lint-free towel or photographic lens paper.
39
What is the name of the mucous membrane covering the anterior sclera?
Conjunctiva (bulbar)
40
In terms of lens thickness, the greater the refractive index, the BLANK the lens.
thinner
41
Prior use of topical ocular pharmaceutical agents is part of a patient's BLANK
past ocular history
42
Computer assisted corneal topography is instrumental in early diagnosis of BLANK
Keratoconus
43
What does HIPAA protect?
The dissemination of specific patient information
44
BLANK BLANK is a red dye useful in evaluating the integrity of the corneal epithelium.
Rose Bengal
45
What is the condition in which the eyes shift involuntarily in a rhythmic beating motion?
Nystagmus
46
A pupil diameter of less than BLANK can produce a contraction of the visual acuity.
two to two and one half millimeters (2-2.5mm)
47
Drainage of topical drops from the eye and their systemic absorption can be prevented by BLANK BLANK?
punctal occlusion
48
Conjunctivitis may be BLANK BLANK or BLANK.
Allergic, Viral, Bacterial
49
The distance from the center of the pupil of one eye to the center of the pupil of the other eye is termed BLANK?
Interpupillary Distance
50
Pertinent family history of a patient should include which relatives?
Parents, Grandparents, Genetic Siblings
51
Corneal topography uses BLANK colors to denote steeper areas of the cornea and BLANK colors to denote flatter areas of the cornea.
Warm (red/orange), cool (blue)
52
What is coding?
The application of numerical designations for medical diagnosis, procedures, and services
53
The BLANK BLANK test uses rainbow colored cups that must be arranged in order of similar hues.
Farnsworth-Munsell 100-hue
54
Nystagmus indicates a problem with the BLANK and not the BLANK BLANK
Brain, Extraocular Muscles
55
Normal peripheral limits of the visual field are BLANK degrees nasally, BLANK degrees superiorly, BLANK degrees inferiorly, and BLANK degrees temporally
60, 60, 70, 90
56
What medications are used as topical anesthetics?
Proparacaine or Tetracaine
57
Sudden painless vision loss, which may continue to deteriorate over a few days, and may not recover is known as BLANK BLANK BLANK
Ischemic Optic Neuropathy
58
What is measured to obtain a monocular measurement of the IPD (interpupillary distance)?
The distance from the bridge of the nose to the center of the pupil.
59
A patient's describing an experience of getting hives after taking sulfa drugs is providing information about BLANK
An allergic reaction
60
Today's computer assisted corneal topography systems are based on data obtained from a reflected BLANK BLANK image.
placido disc
61
What is the assessment of the use of services by a practice institution, clinic, or individual physician?
Utilization review
62
The BLANK BLANK BLANK color vision test consists of a series of plates with a gray background and colored circles, crosses, and trianges.
hardy-rand-ritter
63
What is stereopsis?
Three Dimensional visual perception
64
In the grayscale printout of an automated perimeter the lighter area corresponds to BLANK levels of illumination being seen by the patient.
Dim
65
What is the color of bottle caps of prostaglandins?
Teal
66
Forward displacement of the eye in its bony socket causing the eye to bulge forward is termed BLANK
Proptosis or exophthalmus
67
BLANK does not appear on magnetic resonance imaging (MRI)
Bone
68
Complete the statement: "if it isn't documented, BLANK"
It didn't happen
69
Name the tear deficiency test which uses strips of filter paper inserted into the lower fornix.
Schirmer's Test
70
What is the foremost objective test used to detect misalignments?
Cover Test
71
What are the classifications of the three largest groups of anti-infective agents?
Antibiotic, Antiviral, Antifungal
72
The cornea provides approximately BLANK of the refractive power of the eye.
2/3
73
To perform the cover test, the patient fixates on a BLANK target.
Distant
74
A true allergic reaction can involve what symptoms?
Itching, Rash, difficulty breathing, weak or rapid pulse
75
According to the ATPO COA study flash cards, what is the normal range of intraocular pressure?
13-20mmHg
76
in keratometry, an unfocused eye piece can lead to an error of BLANK?
1 diopter in the K readings
77
In what order should refinement of a refraction be performed?
Sphere, axis, then power of cylinder
78
The visual acuity notation 20/200 indicates the patient could see the 200 optotype at BLANK feet.
Twenty (20)
79
What is the term used when there is a difference in pupil size?
anisocoria
80
If dust accumulates on the mirror of the slit lamp, the technician may clean it by using what cleaning methods?
A lint-free cloth, a lens brush, or a blast of air
81
Universal precautions are mandated by OSHA but were developed by the BLANK
US Centers for disease control
82
The most common method of sterilizing instruments is BLANK
Steam sterilization (autoclave)
83
Name the five basic requirements for ophthalmic preparations (topical meds)
Tolerance, tonicity, sterility, stability, and penetration
84
Which ocular condition is commonly associated with sjogren's syndrome?
Dry Eyes (dry mouth is another finding in sjogren's)
85
Which method of tonometry is described as the measurement of the amount of pressure needed to flatten the cornea by a standard amount?
Applanation tonometry
86
How many meridians are measured in keratometry?
2 meridians, usually 90 degrees apart
87
What accessory phoropter lens is utilized to refine cylinder axis and power?
Jackson Cross Cylinder
88
If the patient perceives light and can indicate the source of direction, the vision is recorded as BLANK
Light perception with projection (LPw/P)
89
What is pupillometry?
The measurement of pupillary distance
90
Who should repair and maintain equipment such as a laser?
A qualified service technician
91
Washing hands between patients is one example of BLANK
Universal Precautions
92
Name two types of anatomical scrubs.
Timed and counted
93
What is benzalkonium chloride?
a preservative commonly used in ophthalmic preparations (topical drops etc)
94
Which systemic disease can cause temporary fluctuations in refractive error?
Diabetes Mellitus (DM)
95
What measurement error is produced when the fluorescein rings are too narrow during applanation tonometry?
Falsely low reading
96
the average K reading is BLANK
43 to 44 dipoters
97
Name the two methods of refractometry?
Objective and Subjective
98
The distance of 20 feet is used in visual acuity assessment because it approximates BLANK.
Optical Infinity
99
What is the name of the reflexive reaction that occurs when a light is directed into one pupil and the pupil of the opposite eye simultaneously reacts?
Consensual Pupillary Response
100
Which accessories are used to check the calibration of an ophthalmometer/keratometer?
Three test balls made of steel, also called "lensco meter"
101
A safety precaution when lasers are being used is wearing approprite BLANK BLANK
Eye Protection
102
What is the name of the most notorious organism found in opthalmic preparations?
pseudomonas aeruginosa
103
Name the virus that causes a dendritic pattern of keratitis.
Herpes Simplex
104
What measurement error is introduced when a patient, holding his/her breath or wearing a collar that is buttoned too tightly, is applanated.
Falsely High Reading
105
Keratometry measures the BLANK of the anterior curvature of the cornea.
Central 3.3mm
106
In refractometry, the BLANK method requires the patient to give answers to the examiner.
Subjective
107
A visual acuity value of 20/40 is expressed as the metric equivalent BLANK
6/12
108
What should be used to clean the accessible lenses of a phoropter?
Photographic lens cleaner and lens tissue
109
Name the four shapes of needle points.
Taper point, cutting, reverse cutting, spatula
110
Eye drops penetrate the eye directly through the BLANK and into the anterior chamber.
cornea
111
What is the ideal position for a patient who feels faint?
Head lower than the heart
112
When is the spherical equivalent best used in a spectacle rx?
If a patient is an adult who has never worn glasses and requires a large astigmatic correction.
113
The pinhole acuity test is used to confirm whether a BLANK BLANK is the cause of a decrease in visual acuity.
Refractive Error
114
What size letters (optotypes) are typically used to calibrate visual acuity projectors?
20/200
115
Where do you check pulse on an adult CPR patient?
Neck (carotid pulse)
116
What is the name of the instrument used to neutralize lenses?
Lensometer (lensmeter)
117
The diffusion of oxygen through a contact lens material is referred to as BLANK
DK Value
118
What is the name of the test to determine the correct myopic correction using red/green filter on the projector?
Duochrome Test
119
Jaeger notation, the point system and the Snellen M unit are units of measure used in recording BLANK visual acuity.
Near
120
Which color vision test consists of pseudo isochromatic plates that determine red-green color anomalies and deficiencies?
Ishihara
121
When performing cover-uncover test, if the eye under the cover moves when uncovered, it is a BLANK, which is a BLANK deviation.
Phoria, Latent
122
During visual field testing the decibel is the unit utilized to indicate the BLANK of the test object.
Brightness
123
When PRK is being performed, time remaining in the procedure should be announced in increments of BLANK
10 seconds
124
How should drops be properly instilled into a patient's eyes?
Into the lower cul de sac (lower fornix)
125
Blockage of the central retinal artery by an embolus, which stops blood flow and causes acute loss of vision and a cherry red spot in the retina, is termed?
CRAO (central retinal artery occlusion)
126
When recording prism in a spectacle Rx, what does the abbreviation BO stand for?
Base Out
127
True or false: The application and evaluation of a diagnostic lens on the eye is the best way to fit a contact lens.
True
128
What is another reference or starting point for refracting a patient who has a poor retinoscopy reflex?
Keratometry
129
In visual assessment the acronym PAM represents the principal testing device known as the BLANK
Potential Acuity Meter
130
Which color defects may be distinguished by the Ishihara test?
Red and Green
131
What is the term for an obvious misalignment of the eye(s)?
Tropia
132
A visual field defect occupying the right or left half of the visual field is termed a BLANK
Hemianopia
133
Name the organism that is most destructive to the eye
Pseudomonas Aeruginosa
134
How are systemic medications administered?
Orally, Injection (subcutaniously or intramuscularly), or intravenously
135
What is the visual symptom, and its cause, often experienced by diabetic patients during episodes of increased blood sugar?
Blurred vision caused by temporary myopia or hyperopia due to changes in the refractive index (RI) of the crystalline lens (myopic shift=when the RI increases, hyperopic=when the RI decreases)
136
What is determined by focusing the thin lines in a manual lensometer?
The sphere of the spectacle Rx is determined by the thin lines
137
Name the instrument used to determine the posterior surface radius of curvature of a rigid contact lens
Radiuscope and or Contacto gauge
138
What normally determines the strength of an add power for near correction?
The age of the patient
139
The ability of human vision to discern shapes by their relative lightness and darkness is termed BLANK
Contrast Sensitivity
140
How long are the Schirmer strips left in place during a tear test?
Five Minutes
141
An outward deviation of the eye(s) is a(n) BLANK and an inward deviation is called a(n) BLANK
Exodeviation, Esodeviation
142
A presbyopic patient's near add should be used in testing the central BLANK degrees of the visual field
Thirty (30)
143
What procedure using an Argon Laser is thought to destroy areas of ischemic retina?
Panretinal Photocoagulation or panretinal laser
144
What does the term idiosyncrasy refer to with ophthalmic drugs?
A bizarre, peculiar reaction to a drug that is not commonly seen, such as tremors, excitability, or even collapse
145
What instructions would be given over the phone to a patient who had splashed a chemical into the eye?
Immediately flush the eyes with water for 15-20 minutes and then report to the ER or ophthalmologist's office
146
What is the first step in performing lensometry?
Focus the eyepiece
147
What type of refractometry is indicated for children with accommodative esotropia or patients who have latent hyperopia?
Cycloplegic refractometry is best used in these situations
148
During visual acuity assessment the patient is able to clearly read 20/20 line but misses one letter, the acuity is recorded as BLANK
20/20-1
149
A-Scan biometry measures the distance between BLANK
Internal ocular surfaces
150
The presence of ptosis can result in a BLANK visual field defect.
Superior
151
What type of intraocular injection is made at the pars plana site with a needle and syringe of medication?
Intravitreal injections
152
The most common type of glaucoma is BLANK
Primary Open Angle Glaucoma (POAG)
153
What is the distance from the back surface of a lens to the front surface of the eye called?
Vertex Distance
154
Why is it important to observe the patient during visual acuity testing?
To ensure proper occlusion
155
The chief use of A-scan biometry is to measure the BLANK BLANK of the eye.
Axial length
156
Aqueous drains out of the eye through this net-like structure.
Trabecular Meshwork
157
If you cannot center the thick and thin lines in the lensometer, the lens has BLANK
Ground-in Prism
158
Name three reasons to dispense a therapeutic bandage contact lens.
To protect cornea from eyelids/lashes; to promote corneal healing; to provide comfort; to stop wound leaks; to improve vision; drug delivery
159
In fundus photography, when the camera is too far from the eye, a BLANK BLANK will form around the image
Blue-Grey Halo
160
What is ICD-10-CM
International Classification of diseases, tenth revision, clinical modification
161
What is the name of the instrument used to measure extension of the anterior surface of the cornea beyond the lateral orbital rim?
Exophthalmometer
162
Checking the calibration of a goldmann applanation tonometer is performed with a BLANK
Balance or calibration rod
163
What are the parallel movements of the eyes from one gaze position to another?
Versions
164
Because there are no rods or cones in the optic nerve head a BLANK blind spot is created in the normal visual field.
Physiologic
165
Name the procedure that uses the following instruments: Probes, syringe, lacrimal needle (cannula), and punctum dilator
Lacrimal Probing and Irrigation
166
What drug classification is contraindicated in patients with obstructive pulmonary disease or cardiovascular disease?
Beta Blockers
167
Which layer of the cornea is the thickest?
Stroma
168
Each black ring seen in the lensometer eyepiece reticule measures how much prism?
1 diopter for each ring
169
Name two measurements required to fit a contact lens.
Refraction, K-Reading (keratometry)
170
"Diagnostic" or "standardized" BLANK are performed for quantitative evaluations of a tissue's structure, reflectivity, and sound absorption.
A-Scans
171
What important process is documented when the physician or physician delegate educates the patient on the risks, benefits, and alternatives of a surgical procedure and asks for the patient's understanding and participation in the decision making process.
Informed Consent
172
Name at least one example of a glare testing device
TVA, BAT, Eye Con
173
The goldmann applanation tonometer prism is best cleaned between patients with BLANK
Hydrogen Peroxide Soaks or 1:10 bleach solution
174
What is the movement of one eye called?
Duction
175
A defect in the patient's superior temporal retina will affect the patient's BLANK field of vision
Inferior Nasal
176
Name the two common facial nerve blocks?
Van Lint and O-Brien Technique
177
What symptoms are involved with an allergic reaction to a topically administered drug?
Edema of lids, redness, scaliness, vesicle formation, and oozing can occur with a reaction to an ophthalmic preparation
178
What type of patch should not be used on a patient with a lacerated globe?
A pressure patch
179
When performing lensometry, what is indicated if both thin and wide lines are in focus at the same time?
The lens is spherical
180
Overwear of contact lenses may result in insufficient oxygen to the cornea called BLANK
Hypoxia Ophthalmia
181
BLANK photography is used to photograph the anterior segment of the eye.
Slit-Lamp
182
As an ophthalmic assistant, you will record your findings in what legal document?
The patient's medical record
183
Name the two measurements required to determine the dioptric power of the intraocular lens.
Axial Length (A-Scan) and Corneal Curvature (keratometry)
184
Which dye solution is used when performing goldmann applanation?
Fluoresceine Dye
185
Versions and ductions are tested by using BLANK to test the six pairs of BLANK muscles.
the six cardinal positions; Yoke
186
The two basic methods employed to map the field of vision are BLANK and BLANK perimetry.
Kinetic, static
187
What intraocular injection infiltrates the soft tissue of the globe, rather than the muscle cone itself?
Peribulbar Anesthesia
188
What are some of the side effects of long-term use of steroid drops?
Rise in intraocular pressure, cataracts, decreased wound healing, decreased resistance to injections
189
When long waiting times occur in the office what is the ophthalmic medical assistant's responsibility?
To communicate with the patient and keep them informed in a sensitive manner
190
Specular photmicrography is a method of evaluating the BLANK surface of the cornea
Endothelial
191
How should an ophthalmic assistant treat all patients?
With dignity and respect
192
When performing a-scan biometry, a 1mm error in axial length may result in BLANK diopter calculated IOL power error
3 (three)
193
What is the diameter of the corneal area properly applanated by a goldmann tonometer?
3.06mm
194
The movement of the eye outward toward the temple is BLANK
Abduction
195
A localized area of reduced sensitivity in a visual field that is surrounded by an area of greater sensitivity is termed a BLANK
Scotoma
196
The most important step in successful LASIK is care and preparation of the BLANK
Microkeratome (obsolete with intralase)
197
What can be used to immobilize an infant for an ophthalmic examination?
A papoose board
198
What is the term for the amount of time it takes for dry spots to form on the cornea when the eye is in a staring position?
BUT (break-up time)
199
BLANK is any irritation or inflammation of the conjunctiva.
Conjunctivitis
200
Explain how to transpose a spherocylinder lens from plus to minus cylinder form, or from minus to plus.
Algebraically add the sphere and cylinder powers, retain the cylinder power but change the cylinder sign, and change the cylinder axis by 90 degrees.
201
Name the nine components of the ophthalmic history.
1. Chief complaint; 2. present illness; 3. past ocular history; 4. ocular medications; 5. General medical and surgical history; 6. systemic medications; 7. allergies; 8. social history; 9. family history
202
BLANK photography documents the posterior segment of the eye.
Fundus
203
What are ethics?
Moral principles and values that govern individual behavior
204
How is anterior chamber depth estimated using a slit lamp?
A high thin beam is placed at the limbus at an angle of approximately 60 degrees and the distance between the posterior limit of the corneal beam and the anterior limit of the iris is compared with the thickness of the optical section of the cornea
205
What type of glaucoma constitutes and ocular emergency?
Acute angle-closure glaucoma
206
Gross evaluation of the patient's peripheral vision can be accomplished with BLANK visual field testing.
confrontational
207
What is the term for the range of procedures used in medical environments to prevent the spread of infections microbes?
Aseptic technique
208
BLANK drugs induce contraction of the iris sphincter
miotic
209
The absence of a lens in an eye is called BLANK
Aphakia
210
Protocols for pressure patching or shields require that the adhesive tape must be applied from the BLANK to the BLANK
Bridge of nose; ear lobe
211
The BLANK visual field test compares the boundaries of the patient's visual field with that of the examiner.
Confrontational
212
Surgical instruments most resistant to corrosion are made of BLANK BLANK
Stainless Steel
213
A cycloplegic drop will blur vision at near due to temporary loss of BLANK
Accommodation
214
The presence of an intraocular lens (IOL) is called BLANK
pseudophakia
215
Which instrument measures the radius of curvature, or base curve, of a spectacle lens surface in diopters?
Geneva lens clock or measure
216
Why is it important to specifically ask a patient about the medications they are taking?
Because certain medications may affect the eyes
217
BLANK devices create three dimensional digital images of the optic nerve and retina
Tomography
218
What must ophthalmic medial assistants abide by?
The laws of the state in which their employer practices and under the services of a licensed ophthalmologist
219
Which two ocular structures can touch if the anterior chamber is flat?
Iris and cornea
220
What is the minimum thickness of a safety lens?
3.0mm
221
The amsler grid test determines the presence and location of defects in the BLANK portion of the visual field.
Central
222
When creating a sterile field the drapes are usually BLANK to moisture to prevent contamination
Impermeable
223
Name the three types of ophthalmic preparations placed directly in the eye.
Solutions, suspensions, ointments
224
BLANK is a chronic inflammation of the eyelid margin
blepharitis
225
What is the spherical equivalent of -2.00+3.00x090
-0.50 sphere
226
What is the proper response to a patient's request from the ophthalmic technician for medical advice or a diagnosis?
Refer the patient to the physician
227
Three of the most common tomographic image devices are BLANK, BLANK, and BLANK
OCT (optical coherence tomography); HRT (Heidelberg retinal tomography); GDx scanner laser polorimeter
228
Attempting to work independently of an ophthalmologist is considered BLANK
Practicing medicine without a license
229
When determining anterior chamber depth using a flashlight test, a shadow on the nasal iris indicates BLANK
Abnormally shallow anterior chamber (narrow angle)
230
What is the name of the important screening process used in emergencies to determine a patient's ocular needs.
Triage
231
During amsler grid testing the patient should be instructed to view the grid through his or her BLANK correction.
Near
232
What is the most popular injected anesthetic for minor procedures?
Lidocaine
233
What is the main disadvantage of using an ophthalmic solution?
The duration of contact with the eye is short, therefore it requires frequent instillation.
234
Name the retinal receptors that function best in dim lighting, number about 125 million and are found in the periphery of the retina.
Rods
235
The trifocal portion of a +2.00 reading add will be BLANK
+1.00
236
What is the term used for the reason for that patient's visit?
Chief complaint
237
The data provided by tomographic devices are useful in evaluating progressive BLANK and BLANK damage
Optic Nerve, retinal nerve fiber layer
238
What should an ophthalmic practice have in place to meet legal compliance?
A compliance officer, policies and procedures
239
Ophthalmologists often estimate anterior chamber depth by measuring the angle between the BLANK and BLANK
anterior surface of the iris, posterior surface of the cornea
240
What is hemorrhage confined to the anterior chamber termed?
Hyphema
241
What is the disadvantage of using an ophthalmic ointment?
The ointment reduces vision by creating a greasy film over the surface of the cornea, and is best used at bedtime
242
Name the retinal receptors that are responsible for color vision, number about 6 million and are found in the macula
Cones
243
What elements are important in social history taking?
Smoking, alchol, drug use
244
Ophthalmic photography serves to BLANK and BLANK ophthalmic conditions
Document and diagnose
245
What does HIPAA stand for
Health insurance portability and accountability act
