| A | B |
|---|
| amblyopia | dullness of vision |
| anisocoria | a condition in which the pupils are unequal |
| diplopia | double vision |
| electroretinogram | a reocrd of electrical response to the retina to light stimulation |
| emmetropia | normal or perfect vision |
| glaucoma | a diseae caused from increased pressure build-up of the eye tha causes damage to the optic disk |
| gonioscope | an instrument used to examine the angle of the anterior chamber of the eye |
| miosis | contraction of the pupil |
| mydriasis | enlargement of the pupil |
| nyctalopia | night blindness |
| photophobia | unusual intolerance of light |
| presbyopia | farsightedness that occurs with old age |
| scotoma | ablind spot or area of depressed vision within the vision field. |
| xerophthamia | an eye condition of excessive dryness of the conjunctiva |
| blepharochalasis | relaxation of the skin of the eyelid |
| myopia | nearsightedness |
| hemianopsia | defective vision or blindness in half of the vision field |
| esotropia | cross-eyes |
| achromatopsia | color blindness |
| anomaloscope | instrument used for detecting color blindness |
| aphakia | absence of the crystalline lens of the eye |
| diabetic retinopathy | appearane of small aneurysms on the retinal capillaries due to diabetes |
| ectopia lentis | displacement of the crystalline lens of the eye |
| ectropion | eversion (turning outward) of the edge of the eyelid |
| entropion | inversion (turning inward) of the edge of the eyelid |
| enucleation | the process of removing an entire structure, such as the eyeball from its orbit |
| exophthalmos | abnormal protrusion of the eyeball, which results in a marked stare |
| exophthalmus | abnormal protrusion of the eyeball, which results in a marked stare |
| nyctalopia | a condition in which the person can't see well in faint light or at night |
| nystagmus | an involuntary, constant rhythmic movement of the eyeball |
| papilledema | edema and hyperemia of the optic disc |
| presbyopia | gradual ddecrease of visual acuity due to the aging process |
| Snellen chart | a chart of testing visual acuity |
| trachoma | a chronic infectious disease of the conjunctiva and cornea |
| trichiasis | condition of ingrowing eyelids that rub against the cornea, causing a cnstant irritation to the eyeball. |
| visual field | the area within which objects may be seen when the eye is fixed. |
