Medical Terms and Meanings
- Allergens - microscopic particles of dust, pollen and other natural substances to which a person may have an allergic reaction
- Artificial Tears - a solution designed to mimic natural tears in order to moisturize and/or rinse the eye
- Astigmatism/Astigmatic - a condition of the focus of the eye that results in a distortion of visual images
- Cataract - see What is a cataract?
- Cornea - the transparent layer forming the front of the eye
- Farsighted - see Hyperopia
- Glaucoma - see Glaucoma
- Hemifacial Spasm - a condition in which facial muscles involutarily contract, resulting in facial tics and distortions of expression
- Hyperopia (Farsightedness) - a condition of the eye in which vision at all distances is impaired because the eye is too short in relation to the curvature of the cornea or the focusing power of the eye is too weak
- Macula - the part of the retina responsible for straight-ahead vision
- Myopia (Nearsightedness) - a condition of the eye in which distance vision is impaired because the eye is too long in relation to the curvature of the cornea or the focusing power of the eye is too strong
- Nearsightedness - see Myopia
- Nystagmus - rapid involuntary movements of the eye
- Ophthalmology/Ophthalmologist - the branch of medicine concerned with the study and treatment of diseases and disorders of the eye
- Retina - the layer of light-sensing tissue at the back of the eye, upon which the lens and cornea of the eye focus images
- Vascular Disease - diseases concerning the circulatory system, notably high blood pressure