Ophalmologic Examination

Question 1

Visual Accuity

Answer 1

Snellen - 20’

Rosenbaum - 10-14”

Question 2

Visual Acuity Abbreviations

Answer 2

OD - oculus dexter (right)
OS - oculus sinister (left)
OU - oculus uterque (both)

Question 3

Emmetropia

Answer 3

normal vision

Question 4

presbyopia

Answer 4

aging vision - lens looses ability to focus

Question 5

Hyperopia

Answer 5

Farsightedness - difficulty with closeup vision

Question 6

Myopia

Answer 6

Nearsightedness - difficulty with distant vision

Question 7

Lacrimal Apparatus

Answer 7

• tears produced in lacrimal gland
• wash over eye and drain into puncta
• drain into lacrimal sac into nasolacrimal duct

Question 8

Anterior Chamber Depth

Answer 8

normal - fluid drains
abnormal - constricted, fluid won’t drain.
Tangential lighting, iris should light up.

Question 9

Physical Exam of the External Eye

Answer 9

Inspect Adnexa
palpate lacrimal gland
inspect sclera and conjunctiva
assess with ambient light and pen light
assess anterior chamber with penlight
pupil response and accommodation 
extraoccular movements

Question 10

LR6SO4

Answer 10

lateral rectus nerve 6
superior oblique nerve 4
all other movements nerve 8

Question 11

Assessment of Strabusmus

Answer 11

Cover/ uncover test

corneal light reflex

Question 12

Types of Strabismus

Answer 12

Esotropia - inward crossed
Exotropia - turned out eyes
Hyper/hypo tropia - vertical misalignment

Question 13

Opthalmascope Filters

Answer 13

Middle = no filter
X = polarizing filter
Green = red free light

Question 14

Aperture

Answer 14

small, medium, or large
Fixation (crosshairs aperture)
Slit - determines location of lesion
Cobalt - fluorescence

Question 15

Documentation of the Retinal Exam

Answer 15

presence or absence of red reflex
color of dis and crispness of margins
cup to disc ratio (.5)
A/V ration 2/3
Background retina - general color, hemorrhage, exudates
Macula / fovea