Ophthalmology

sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)

the state of being blind or lacking sight

the state of being blind or lacking sight

inflammation of the conjunctiva of the eye

the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera

visual impairment resulting from the retina becoming separated from the choroid in the back of the eye; treated by photocoagulation

visual impairment resulting from the retina becoming separated from the choroid in the back of the eye; treated by photocoagulation

abnormal condition in which vision for distant objects is better than for near objects

an eye disease that damages the optic nerve and impairs vision (sometimes progressing to blindness); "contrary to popular belief, glaucoma is no…

abnormal condition in which vision for distant objects is better than for near objects

abnormal condition in which vision for distant objects is better than for near objects

abnormal condition in which vision for distant objects is better than for near objects

pressure exerted by the fluids inside the eyeball; regulated by resistance to the outward flow of aqueous humor; "glaucoma can result from incre…

pressure exerted by the fluids inside the eyeball; regulated by resistance to the outward flow of aqueous humor; "glaucoma can result from incre…

inflammation of the cornea causing watery painful eyes and blurred vision

abnormal condition in which vision for distant objects is better than for near objects

eye disease caused by degeneration of the cells of the macula lutea and results in blurred vision; can cause blindness

(ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred

(ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred

the cranial nerve that serves the retina

the cranial nerve that serves the retina

the cranial nerve that serves the retina

inflammation of the conjunctiva of the eye

the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve

visual impairment resulting from the retina becoming separated from the choroid in the back of the eye; treated by photocoagulation

the cranial nerve that serves the retina

sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)

(ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred

the state of being blind or lacking sight

sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)

A clouding of the lens in the eye.

Inflammation of the outer membrane of the eye.

A group of eye conditions that damage the optic nerve.

biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina

biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina

biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina

normal visual acuity, as measured by the ability to read charts at a distance of 20 feet

glaucoma in which the iris blocks the outflow of aqueous humor; "closed-angle glaucoma can cause a rapid buildup of high intraocular pressure th…

macular degeneration that is age-related

macular degeneration that is age-related

glaucoma in which the iris blocks the outflow of aqueous humor; "closed-angle glaucoma can cause a rapid buildup of high intraocular pressure th…

sightlessness (especially because of a structural defect in or the absence of an eye)

a whitish deposit in the shape of an arc that is sometimes seen in the cornea

a whitish deposit in the shape of an arc that is sometimes seen in the cornea

glaucoma caused by blockage of the canal of Schlemm; produces gradual loss of peripheral vision; "open-angle glaucoma is the most common type of…

glaucoma in which the iris blocks the outflow of aqueous humor; "closed-angle glaucoma can cause a rapid buildup of high intraocular pressure th…

blindness due to loss of the eyes

a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45

inability to see shapes and contours

vision that is 20/200 or worse in both eyes (20/200 vision is the ability to see at 20 feet what a normal eye can see at 200 feet)

glaucoma that results from damage to the optic nerve although the intraocular pressure is normal

glaucoma caused by blockage of the canal of Schlemm; produces gradual loss of peripheral vision; "open-angle glaucoma is the most common type of…

severe conjunctivitis

severe conjunctivitis

unusually acute vision

a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45

temporary blindness caused by exposure to sunlight reflected from snow or ice

temporary blindness caused by exposure to sunlight reflected from snow or ice

normal visual acuity, as measured by the ability to read charts at a distance of 20 feet

(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people

an eye disease that involves the clouding or opacification of the natural lens of the eye

muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored port…

a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision

the contractile aperture in the center of the iris of the eye; resembles a large black dot