Eye Exam Flashcards
Define Hyperopia
Farsightedness. Difficulty seeing near objects.
Define Myopia
Nearsightedness. Difficulty seeing distant objects.
Define Presbyopia
Aging vision. Progressive difficulty seeing near objects.
Define Diplopia
Double vision
Define heterophoria, esophoria, and exophoria.
Heterophoria - failure of visual axes to remain parallel
Esophoria - one eye deviates inward
Exophoria - one eye deviates outward
What are the components of the occular exam (8)?
Visual acuity, colorblindness, visual field testing, external examination, conjunctiva/sclera, cornea/lens/pupil, EOM, and fundoscopic exam
How do you evaluate and document visual acuity?
First evaluate each eye separately and then together. Also, with and without glasses.
Oculus Dexter = Right eye
Oculus Sinister = Left eye
Oculus uterque = both eyes
How is color blindness evaluated?
With the ishihara color blindness test.
How is visual field assessed and what is the assumption with this test?
It is tested by confrontation. This test assumes the physician has a normal visual field.
What does the external examination include?
Position and alignment of the eyes. Character of eyebrows and eyelids.
Define entropion and extropion.
Entropion - eyelid turned inwards
Extropion - eyelid turned outwards
What do a yellow and blue sclera indicate, respectively?
Jaundice and osteogenesis imperfecta
Pinguecula
Small nodule on the bulbar conjunctiva which does not cross the cornea.
Pterygium
Thickening of the bulbar conjunctiva which grows across the cornea
Sty
infection at the margin of the eye