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special senses WL
special senses word list
| Question | Answer |
|---|---|
| Adjustment of the eye, enabling light rays to focus on the retina. Adjustment of the thickness of the lens to make close vision possible | Accommodation |
| Achromatopsia | Colour blindness |
| Amblyopia | Strabismus or "lazy eye syndrome" in children |
| Ametropia | An error in refraction causing poor focus |
| Anacusis | Deafness |
| Anosmia | Loss of the sense of smell |
| Astigmatism | A form of ametropia in which a defective lens causes diffusion of light rays over the retina,rather than sharply focusing at a given point. Imperfection of the curvature. |
| Blepharoptosis | prolapse of the eyelid. |
| Blepharoplasty | Surgical repair of the eyelid |
| Cataracts | Opacities on the lens or the capsule that encloses the lens, causing loss of vision. Treatment usually involves removal of the lens. |
| Cerumen | A waxy secretion produced by the glands of the external ear canal to prevent the entrance of tiny foreign particles. |
| Ciliary Muscles | Muscles which relax or contract to alter the shape of the lens, making it thicker or thinner, thus enabling the light rays to focus upon the retina. |
| Cochlea | Snail shaped inner ear structure. |
| Conjunctivitis | Inflammation of the conjunctiva |
| Cones | Senses Colour vision. |
| Corectasis | Dilation of the pupil. |
| Cornea | The clear, transparent portion of the sclera, anterior to the lens. "window" of the eye. |
| Cycloplegic agents | Agents which paralyze ciliary muscles,causing dilation of the pupils. |
| dacryocystorhinostomy | Creation of an opening into the nose for drainig of tears. |
| dacryorrhea | Flow of tears. |
| Ear canal | Slender tube lined with glands, through which sound waves travel to the middle ear. |
| Emmetropia | Correct vision/Normal vision. |
| Equilibrium | A state of balance, controlled by the semicircular canals and the vestibule. |
| Esotropia | Inward turning of the eye. |
| ET | Exotropia.(Turning outward of the eyes) |
| Eustachitis | Inflammtion of the eustachian tube. |
| Exotropia | Outward turning of the eye. |
| Evisceration | Removal of the viscera (contents of an organ) |
| Eustachian Tube | A tube which connects the nose and the throat with the cavity of the middle ear. Equilizes pressure on both sides of the eardrum. |
| Fovea | Area of clearest,sharpest vision in the retina. |
| Glaucoma | Eye disease with increased pressure within the eyeball. Increase in intraocular pressure. |
| Hairs of Corti | Tiny nerve ending within the cochlea which combine with cochlear fluid to generate nerve impulses to the brain via the auditory nerve. |
| Hyperopia | Farsightedness. |
| Incus | One of the three bones of the middle ear; shaped like an anvil. Transmits vibrations from the malleus to staples. |
| Iris | Coloured part of the eye. |
| Intracapsular Extraction | Use of a cold metal probe to remove cataracts. |
| Iridectomy | Excision of the iris. |
| Iritis | Inflammation of the iris. |
| Keratocentesis | Surgical puncture of the cornea. |
| Labyrinthitis | Inflammation of the inner ear, causing vertigo. |
| Lacrimal | Pertaining to a tear. |
| Lens | Crystalline body of accommodation. |
| Malleus | One of the three bones of the middle ear; shaped like a hammer. Transmits vibrations from the eardrum ti incus. |
| Mastoid Process | One of the temoral bones which encloses the sinuses. |
| Mydriatics | Medication which dilates the puplis. |
| myopia | Nearsightedness. |
| Myringoplasty | Reconstruction of the ear drum. |
| Nyctalopia | Night blindness. |
| Ophthalmoplegia | Paralysis of the eye. |
| Optometrist | One who specializes in eye measurements. |
| Ossicles | Three tiny articulating bones in the middle ear. |
| Otalgia | Ear pain. |
| Otitis media | Inflammation of the middle ear. |
| Otoplasty | Corrective surgery for macrotia/microtia or deformity. |
| Otopyorrhea | Dischagre of pus from the ear. |
| Otosclerosis | Hardening of the spongy bone around the oval window of the ear, causing hearing loss. |
| Otoscopy | Visual examination of the ear. |
| Photopigments | Chemicals contained in the rods and cones which send nerve impulses through the optic nerve to the brain. |
| Presbyopia | Far sightedness associated with old age. Loss of elasticity of the lens with age. |
| Retinitis Pigmentosa | Chronic progressive disease of degeneration of the retina and atrophy of the optic nerve. |
| Retinaopathy | Disease of the retina. |
| Retinoscopy | Visual examination of the retina. |
| Rods | Senses vision in dim light. |
| Sclera | The white of the eye, composed of a tough, fibrous tissue which serves as a protective shield for the more sensitive structures underneath. |
| Sclerostomy | Creation of a new opening in the sclera. |
| Semicircular Canals | One of the three structures of the inner ear, responsible for balance. |
| ST | Esotropia.(turning inward of the eyes) |
| Strabismus | Abnormal positioning of the eyes so they deviate in different directions. One eye out of synchrony. |
| Stapes | One of the three bones of the middle ear; shaped like stirrups. Transmits vibrations from incus to window. |
| Sty(e) | A localized circumscribed inflammation of the sebaceous gland of the eyelid, also called a hordeolum. |
| Trachoma | A chronic contagoius form of conjunctivitis. |
| Vestibule | A chanber that joins the cochlea and semicicular canals. |
| Rem | Rapid eye movement. |
Created by:
zeldafan
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