Visual disorders Flashcards
What is:
-Near objects are seen clearly, but objects farther away are blurry
-Images focus in front of the retina instead of on the retina
A-Hyperopia
B-Myopia
C-Presbyopia
D-Astigmatism
B- myopia
What is:
-Can see distant objects clearly, but objects nearby may be blurry
-Usually present at birth and tends to run in families
A-Hyperopia
B-Myopia
C-Presbyopia
D-Astigmatism
A- hyperopia
What is:
-Caused by loss of elasticity of the lens of the eye
-Typically occurring in middle & old age
-May become aware when holding newspaper at arm’s length
A-Hyperopia
B-Myopia
C-Presbyopia
D-Astigmatism
C- presbyopia
What is:
-Curvature of the eye that causes blurred distance & near vision
-Surface is egg-shaped
A-Hyperopia
B-Myopia
C-Presbyopia
D-Astigmatism
D-Astigmatism
What is:
-Opacification of the lens of the eye
-Interferes with transmission of light on the retina
Begins at the periphery and continues to the central portion of the lens
A-Glaucoma
B-Macular degeneration
C-Cataracts
C- cataracts
What is:
-2nd leading cause of permanent blindness
-Pattern of peripheral vision loss
A-Glaucoma
B-Macular degeneration
C-Cataracts
A- glaucoma
What type of glaucoma is:
-IOP rises abruptly
-Rapid permanent loss of vision if not treated
A-Open angle
B-Angle-closure
B- angle-closure
What are some treatments for angle-closure glaucoma (select all)
A-Prostaglandin analogs
B-Injection of fluids
C-Lazer surgery
D-Incisional surgery
A- prostaglandin analogs
C- lazer surgery
D- incisional surgery
What is:
-Accumulation of deposits (drusen) under the macula
-Causes thinning of the macula
A- Wet AMD
B- Dry AMD
B- dry AMD
What is:
-Abnormal blood vessels grow under the retina & macula
-Vison becomes distorted
-Vision loss can be rapid or severe
A- Wet AMD
B- Dry AMD
A- wet AMD
What is:
-Disruption of the superficial epithelium of the cornea
-Heals rapidly in 48-72 hrs
Corneal abrasions
Which burns tends to remain in the conjunctival sac and do progressive damage
A-Acid injuries
B-Alkaline injuries
B- alkaline injuries
Which burns cause rapid damage to the eye
A-Acid injuries
B-Alkaline injuries
A-Acid injuries
What should you do when irrigating the eye? (select all)
A- Tilt head opposite of injury
B-Irrigate until pH is 7.0-7.4
C-Apply topical anesthetic
D- Use substance to neutralize chemical exposure
B- irrigate until pH is 7.0-7.4
C- apply topical anesthetic
What is:
-Bleeding into the anterior chamber of the eye due to blunt trauma
Hyphema
When can you not treat a Hyphema in outpatient?
A- Never
B- 1/4 is occupied by blood
C-2/3 is occupied by blood
C- 2/3 is occupied by blood
What are the s/s of a retinal detachment?
A- Flashes/ floaters
B-Blood visible in lens
C- Curtain appears across you vision
D-Pain >5
A- flashes/ floaters
C- curtain appears across your vision
What is the treatment for a retinal detachment? (select all)
A- Pneumatic retinopexy (gas bubble inside the eye pushes retina into place)
B-Lazer (allows fluid to pull retina back into place)
C-Scleral buckle (band of rubber is sewn into outside of the eye and presses eye inward to retina)
D- Injections (used to dissolve the blood from retinal detachment)
A- pneumatic retinopexy
C- scleral buckle
