| A | B |
| optician | professional who fills corrective lenses prescription |
| cones | specialized receptors of color vision |
| iris | colored muscle of the eye |
| process of the lens changing shape to focus | accomodation |
| separates the external ear from the middle ear | tympanic membrane |
| ringing or buzzing in the ear | tinnitus |
| medication used during exams to dilate the pupil | mydriatics |
| optic nerve | responsible for vision |
| inner layer of the eye | retina |
| lazy eye | amblyopia |
| nearsightedness | myopia |
| farsightedness | hyperopia |
| earwax | cerumen |
| presbycusis | hearing loss associated with aging |
| audiologist | conducts hearing tests and can order hearing aids |
| blepharoplasty | surgical procedure performed to correct a defective eyelid |
| increased ocular pressure | glaucoma |
| sclera | white of the eye |
| eyelid | palpebra |
| otosclerosis | hardening of the ossicles |
| drooping eyelid | blepharoptosis |
| anacusis | total deafness |
| electromagnetic waves | ear converts sound waves to |
| ciliary body | shape of the lens is controlled by |
| eye disease | oculopathy |
| ear disease | otopathy |
| cochlear implant | surgically implanted hearing aid |
| myringotomy | procedure performed to place tubes in the ears |
| presby/o | old age |
| phac/o | lens |
| kerat/o | cornea |
| dipl/o | double |
| ot/o | ear |
| acous/o | hearing |
| myring/o | tympanic membrane |