| Term | Definition |
| amblyopia | dull vision |
| blepharoptosis | prolapse of the eyelid |
| dacryorrhea | flow of tears |
| iridectomy | excision of the iris |
| lacrimal | pertaining to the tear |
| ophthalmoplegia | paralysis of the eye |
| optometrist | one who specializes in eye measurement |
| ENT | ear, nose, throat |
| achromatopsis | color blindness |
| otopyorrhea | discharge of pus from the ear |
| aphakia | without lens |
| diplopia | double vision |
| dacryoadenectomy | excision of a tear gland |
| nyctalopia | night blindness |
| enucleation | surgical removal of the eyeball |
| otalgia | ear pain |
| myringoplasty | surgical repair of the eardrum |
| blepharorrhaphy | suturing of the eyelid |
| anacusis | without hearing |
| retinopathy | disease of the retina |
| tympanoplasty | surgical repair of tympanic membrane |
| retinoscopy | visual examination of retina |
| REM | rapid eye movements |
| otoplasty | surgical repair of the ear |
| labyrinthitis | inflammation of the inner ear |
| mastoidotomy | incision of the mastoid |
| myringotomy | incision of the eardrum |
| corectasis | dilation of the pupil |
| otomycosis | fungal infection of the ear |
| conjunctivitis | inflammation of the conjunctiva, pink-eye |
| dacryocystorhinostomy | creation of an opening into the nose for drainage of tears |
| mastoid | mastoid process |
| blepharectomy | surgical excision of the eyelid |
| blepharoplasty | surgical repair of the eyelid |
| sclerostomy | formation of a new opening in the sclera |
| mydriatics | drugs that cause dilation of the pupils |
| cyclopegic agents | agents which paralyze the ciliary muscles in the dilation of the pupils |
| tonometry | method used for detecting glaucoma |
| phacoemulsification | method of treating cataractis by using ultrasonic waves |
| paracentesis tympani | puncture of the eardrum |
| VF | visual field |
| IOP | intraocular pressure |
| D | diopter (lens strength) |
| Acc | accommodation |
| AC | air conduction |
| otitis media | inflammation of the middle ear |
| otosclerosis | hardening of the spongy bone of the ear |
| retinitis pigmentosa | chronic progressive disease of the eye |
| cataracts | opacities that form on the lens |
| glaucoma | eye disease characterized by increase within the eyeball |
| strabismus | condition in which the eyes turn from the normal position so they are not aimed in the same direction |
| ossicles | three tiny bones in the middle ear |
| cochlea | inner ear structure |
| vestibule | a chamber that joins the cochlea and semicircular canals |
| semicircular canals | one of the three structures of the inner ear |
| eustachian tube | the tube which connects the nose and throat |
| olfactory | pertaining to smell |
| cerumen | ear wax |
| cornea | the clear, transparent anterior portion of the coat of the eye |
| accommodation | adjustment of the eye |
| photopigments | chemicals contained in rods and cones |
| equilibrium | balance |
| ciliary muscles | muscles which relax or contract and alter the shape of the lens |
| malleus | one of the three bones of the middle ear shaped like a hammer |
| incus | one of the three bones of the middle ear shaped like anvil |
| stapes | one of the three bones of the middle ear shaped like stirrups |
| iritis | inflammation of the iris |
| sclera | the outer most layer of the eye |
| pinna | the external structure of the ear |
| ear canal | slender tube lined with glands that leads to the middle ear |