| Term | Definition |
| myring / o | Tympanic membrane, eardrum |
| opt / o | Eye, seeing |
| ot / o | Ear, hearing |
| scler / o | sclera, white part of eye |
| iritis | Most common uvetitis, inflammation of the uvea that affects primary structures in the front of the eye.
Sudden on-set, lasts 6-8 weeks. |
| OD | right eye |
| OS | left eye |
| OU | each eye |
| AU | both eyes |
| ophthalmologist | Dr, diagnosis, treatment, and surgery of eye diseases and disorders |
| optomotrist | Dr, NO SURGERY, diagnoses eye conditions, measures accuracy of vision, prescribes lenses, etc |
| blepharoptosis | AKA - ptosis, dropping upper eyelid |
| conjunctivitis | AKA - pink eye, inflammation of conjunctiva |
| keratitis | Inflammation of the cornea due to bacterial, viral, or fungal infection. |
| scleritis | Inflammation of the sclera |
| photopsia | presence of "flashers" caused by damage or migraines |
| nyctalopia | Night blindness |
| presbyopia | Common changes of eyes associated with aging. |
| strabismus | Disorder where eyes point in different directions |
| hyperopia | AKA - Farsightedness, light rays focus beyond the retina |
| myopia | AKA - Nearsightedness, light rays focus in front of the retina |
| iridectomy | Surgical removal of portion of the iris, used to treat closed-angle glaucoma |
| otitis | Any inflammation of the ear |
| otorrhagia | Bleeding from the ear |
| otitis media | AKA - Ear Infection, Inflammation of the middle ear |
| otosclerosis | ankylosis (fusing together) of bones of the middle ear, causes conductive hearing loss |
| mastoidectomy | Surgical removal of the mastoid cells, treats mastoiditis |
| myringotomy | Small, surgical incision in eardrum to relieve pressure or to place tubes |
| glaucoma | Group of diseases characterized by increased intraocular pressure that causes damage to retinal nerve fibers and the optic nerve |
