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Definition
| a layer of epithelium covering the inner surfaces of the eyelids and the anterior surface of the eye |
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Definition
| the anterior part of the fibrous layer, it is a transparent covering over the iris and the pupil |
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| a small depression in part of the retina where cones are in greatest abundance, making it the area of highest visual acuity |
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Definition
| a gelatinous mass in the posterior cavity of the eye |
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Definition
| watery fluid in the anterior chamber of the eye |
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Definition
| a ring of smooth muscle that forms the colored part of the eye |
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| tear glands located near the dorsolateral surface of the eye |
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pertaining to within the eye |
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| nerve pathway from the retina of both eyes to the brain |
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| the "blind spot" it is a small region of the retina where photoreceptors are absent due to the origin of the optic nerve |
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Definition
| a thin film of neurons at the back of the eye containing the photoreceptors |
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Definition
| the tough, white outer covering of the eye |
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Definition
| a narrow cavity between the cornea and the iris |
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Definition
| a thin layer of connective tissue that is rich in blood vessels, located behind the retina |
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| cone-shaper photoreceptors that enable color reception |
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Definition
| the outer layer of the eye, it is composed of fibrous connective tissue and includes the cornea and sclera |
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Definition
| the disc-shaped transparent structure located behind the pupil, which is suspended by ligaments that are attached to ciliary muscles |
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Definition
| named after Heinrich Meibom, who first described them in 1683, they are small oil glands on the edges of the eyelids that help lubricate the eyes |
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Definition
| the large cavity of the eye posterior to the lens |
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Definition
| an opening at the center of the iris that allows light to pass through; the pupil size is regulated by nevous control of the iris |
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Definition
| rod-shaped photoreceptors that are very sensitive to light, but only perceive black and white |
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Definition
| the middle layer of the eye, which includes the iris, pupil,lens and choroid |
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Definition
| quality or sharpness of vision |
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Definition
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Definition
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Definition
| normal condition of the eye |
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Definition
| condition of white in the pupil |
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Definition
| pain associated with the eye |
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Definition
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Definition
| defective curvature of the refractive surface of the eye |
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Definition
| inflammation of the eyelid |
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Definition
| a reduction in the transparency of the lens |
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Definition
| a localized swelling at the edge of an eyelid caused by obstruction of a meibomian gland |
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Definition
| inflammation of the conjunctiva; pinkeye |
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Definition
| inflammation of the cornea and the iris |
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Definition
| inflammation of the lacrimal sac |
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Definition
| separation of the retina from the choroid at the back of the eye |
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Definition
| inflammation of internal tissues of the eye |
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Definition
| a loss of vision resulting from increased intraocular pressure, which damages the optic nerve |
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Definition
| an infection of the meibomian gland causing a local swelling of the eyelid; sty |
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Definition
| reduced vision with nearby objects; farsightedness |
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Definition
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Definition
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Definition
| inflammation of the cornea |
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Term
| macular degeneration (ARMD) |
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Definition
| progressive deterioration of an area of the retina known as the macula lutea, leading to a loss of central vision; age-related macular degeneration |
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Definition
reduced vision with distant objects; nearsightedness |
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Definition
| poor vision at night or in dim light |
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Definition
invlountary, rhythmic movements of the eye |
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Definition
| fungal infection of the eye |
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Definition
| a general term for disease of the eye |
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Definition
| paralysis of the eye affecting the muscles that move the eyeball |
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| inflammation of the retina caused by extreme light intensity |
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| impaired vision due to aging |
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Definition
| abnormal fold of fibrous tissue extending between the conjunctiva and cornea |
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Definition
| an inherited disease characterized by night blindness, progressive atrophy and retinal pigment changes |
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Definition
| a malignant tumor that originates from a developing retinal cell |
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Definition
| a general term for any disease of the retina |
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Definition
| inflammation of the sclera and cornea |
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Definition
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Definition
| an abnormal blind spot in vision |
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Definition
| a condition of crossed eyes that is caused by the visual axes failing to meet at the same point, the condition causes a noticeable squint; heterotropia-both eyes deviate inward or outward, esotropia if one is inward, exotropia if one is outward |
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Term
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Definition
| surgical repair of an eyelid |
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Definition
| excision of a lens that has lost its clarity |
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Definition
| a test of the ability to see the details and shape of objects from recorded distances |
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Definition
| excision of an eyeball from the socket |
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Definition
| visual recording of blood vessels in the retina and choroid using fluorescein dye, which is injected into a vein and circulates through the eye |
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Term
| intraocular lens transplant |
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Definition
| surgical implantation of an artificial lens to replace a defective natural lens |
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Definition
| excision of a portion of the iris |
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Definition
| incision int o the iris to allow the aqueous humor to drain from the anterior chamber; usually performed with a laser to treat glaucoma |
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Definition
| a procedure using a handheld device called a keratometer, which measures the curvature of the cornea, usually for fitting contact lenses |
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Definition
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Definition
| acronym for laser-assisted in situ keratomileusis; it is the use of a laser to reshape the corneal tissue beneath the surface of the cornea to correct vision abnormalities |
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Definition
| a chemical agent that dilates the pupils |
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Definition
| a variety of procedures using specialized instruments to assist in the diagnosis of eye disorders |
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Definition
a physician specializing in the treatment of eyes |
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Definition
| the field of medicine focusing on the study of disease related to the eyes |
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Definition
| use of a hand-held instrument with a light, called a ophthalmoscope to view the eye's interior |
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Definition
| a technician trained in filling prescriptions for corrective lenses |
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Definition
| measurement of vision, usually to test acuity for prescribing corrective lenses; the process includes the use of an optometer which measures the range and sharpness of vision |
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Term
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Definition
| a professional-not a physician- trained to examine eyes to correct vision problems and eye disorders |
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Definition
| use of ultrasound frequencies to break up a cataract, which is then aspirated and removed |
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Term
| phototrefractive keratectomy (PRK) |
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Definition
| use of a laser to flatten the corneal surface in an effort to correct myopia |
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Term
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Definition
| incisions into the cornea to produce spoke-like effect, which serves to flatten the cornea and correct for myopia |
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Definition
| repair of the detached retina, in which a portion of the sclera is resected and an im[lant is inserted |
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Definition
| high-frequency sound waves used to detect problems associated with the eye |
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Definition
| incision into the tendon of an eye's extrinsic muscle to correct strabismus |
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Definition
| measurement of intraocular pressure, primarily to test for glaucoma; an instrument called a tonometer is used for this test |
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Definition
| surgical removal of the vitreous humor |
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Definition
ocular dexter- right eye ocular sinister-left eye ocular uterque-each eye |
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