Eyes Flashcards
Amsler grid
A set of charts with various geometric shapes in black and white, used for detecting defects of the central visual field
A set of charts with various geometric shapes in black and white, used for detecting defects of the central visual field
Amsler grid
Anisocoria
Inequality of the diameter of the pupils; may be normal or congenital. Often normal if inequality is within 1mm
Inequality of the diameter of the pupils; may be normal or congenital. Often normal if inequality is within 1mm
Anisocoria
Aphakia
A condition in which part or all of the crystalline lens of the eye is absent, usually because of surgical removal for the treatment of cataracts
A condition in which part or all of the crystalline lens of the eye is absent, usually because of surgical removal for the treatment of cataracts
Aphakia
Astigmatism
An abnormal condition in which the light rays cannot be focused clearly on a point on the retina because of an irregular curvature of the cornea or lens
An abnormal condition in which the light rays cannot be focused clearly on a point on the retina because of an irregular curvature of the cornea or lens
Astigmatism
Chalazion
Small, hard tumor analagous to sebaceous cyst developing on the eye lids, formed by the distention of a meibomian gland with secretion
Small, hard tumor analagous to sebaceous cyst developing on the eye lids, formed by the distention of a meibomian gland with secretion
Chalazion
Confrontation
A test for estimating peripheral vision
A test for estimating peripheral vision
Confrontation
Corneal arcus
Opaque white ring about corneal periphery due to deposits of lipids or hyaline degeneration
Opaque white ring about corneal periphery due to deposits of lipids or hyaline degeneration
Corneal arcus
Cotton wool spot
An ill-defined yellow area due to infarction of the nerve layer of the retina
An ill-defined yellow area due to infarction of the nerve layer of the retina
Cotton wool spot
Background diabetic retinopathy
Dot hemorrhages or microaneurysms and the presence of hard and soft waxes
Dot hemorrhages or microaneurysms and the presence of hard and soft waxes
Background diabetic retinopathy
Proliferative diabetic retinopathy
Development of new blood vessels as a result of anoxic stimulation; vessels grow out of the retina toward the vitreous humor
Development of new blood vessels as a result of anoxic stimulation; vessels grow out of the retina toward the vitreous humor
Proliferative diabetic retinopathy
Diopter
Refractive power of the lens with focal distance of 1 meter, used as unit of measurement in refraction
Refractive power of the lens with focal distance of 1 meter, used as unit of measurement in refraction
Diopter
Ectropion
Eversion of an edge or margin, as edge of the eyelid
Eversion of an edge or margin, as edge of the eyelid
Ectropion
Episcleritis
Inflammation of the superficial layers of the sclera located in front of the insertion of the rectus muscle
Inflammation of the superficial layers of the sclera located in front of the insertion of the rectus muscle
Episcleritis
Entropion
Inversion of an angle or margin, especially the margin of the lower eyelid
Inversion of an angle or margin, especially the margin of the lower eyelid
Entropion
Hordoleum
Sty; suppurative inflammation of a sebaceous gland of the eyelid
Sty; suppurative inflammation of a sebaceous gland of the eyelid
Hordoleum
Hyperopia
Farsightedness; a refractive error in which light rays entering the eye are focused behind the retina
Farsightedness; a refractive error in which light rays entering the eye are focused behind the retina
Hyperopia
Hyphema
Blood in the anterior chamber
Blood in the anterior chamber
Hyphema
Legal blindness
Corrected vision worse than 20/200 or
Mydriasis
Pupillary dilation
Pupillary dilation
Mydriasis
Miosis
Abnormal contraction of pupils
Abnormal contraction of pupils
Miosis
Myopia
Nearsightedness; a condition resulting from a refractive error in which light rays entering the eye are brought into focus in front of the retina
Nystagmus
Involuntary rhythmic movements of the eye
Involuntary rhythmic movements of the eye
Nystagmus
Papilledema
Edema of the optic disc resulting in loss of definition of the disc margin; the cause often is increased intracranial pressure
Edema of the optic disc resulting in loss of definition of the disc margin; the cause often is increased intracranial pressure
Papilledema
Pinguecula
Harmless yellowish triangular nodule in the bulbar conjunctiva on either side of the iris that stops at the limbus
Harmless yellowish triangular nodule in the bulbar conjunctiva on either side of the iris that stops at the limbus
Pinguecula
Presbyopia
Hyperopia and impaired near vision from loss of lens elasticity, generally developing during middle age
Hyperopia and impaired near vision from loss of lens elasticity, generally developing during middle age
Presbyopia
Pterygium
A triangular patch like thickening of the bulbar conjunctiva that grows slowly to the outer surface of the cornea, usually from the nasal side, and may cover a portion of the cornea
A triangular patch like thickening of the bulbar conjunctiva that grows slowly to the outer surface of the cornea, usually from the nasal side, and may cover a portion of the cornea
Pterygium
Retinitis pigmentosa
A chronic progressive disase, which may occur in childhood, characterized by degeneration of the retinal neuroepithelium
A chronic progressive disase, which may occur in childhood, characterized by degeneration of the retinal neuroepithelium
Retinitis pigmentosa
Strabismus
A condition in which both eyes do not focus on the same object simultaneously, however either eye can focus independently
A condition in which both eyes do not focus on the same object simultaneously, however either eye can focus independently
Strabismus
Xanthelasma
An elevated plaque commonly found on the nasal portion of the eyelid due to elevated cholesterol
An elevated plaque commonly found on the nasal portion of the eyelid due to elevated cholesterol
Xanthelasma
