Ophthalmology glossary

Organ of vision

Inner membrane of the eye where visual stimuli are captured.

Transparent part at the front of the eye that covers the iris and the pupil.

Lens located behind the pupil, responsible for focusing objects.

Colored part of the eye that controls the size of the pupil.

Opening at the center of the iris that allows light to enter the eye.

Nerve that transmits visual information from the retina to the brain.

Vision disorder in which distant objects appear blurry.

Vision disorder in which nearby objects appear blurry.

Irregular curvature of the cornea or the crystalline lens, resulting in distorted vision.

Age-related loss of the eye’s ability to focus on nearby objects.

Clouding of the crystalline lens that leads to a decrease in vision.

Disease characterized by elevated intraocular pressure that can lead to vision loss.

Retinal condition affecting central vision.

Vascular layer of the eye located between the retina and the sclera.

Mucous membrane that covers the inner surface of the eyelids and the anterior surface of the eye.

Clear fluid located in the anterior chamber of the eye.

Transparent gel located in the posterior chamber of the eye.

Area of the retina where the optic nerve exits the eye.

Benign growth of the conjunctiva onto the cornea.

Inflammation of the eyelids.

Inflammation of the cornea.

Inflammation of the uvea, including the iris, ciliary body, and choroid.

Retinal disease, often related to diabetes.

Misalignment of the eyes, which are not properly aligned.

Involuntary eye movement.

Instrument used to examine the inside of the eye.

Devices placed on the cornea to correct vision.

Vision-correcting accessory made up of lenses and a frame.

Assessment of visual abilities and eye health.

Test to measure intraocular pressure.

Imaging technique using a fluorescent dye to examine the blood vessels of the eye.