Vision Fitness, and more. , An excimer laser) to reshape corneal curvature; correcting refractive errors. Series spoke-like (radial) cuts made in corneal periphery to allow central cornea to flatten, reducing its optical power and thereby correcting nearsightedness. High energy light source that uses light emitted by natural vibrations atoms ( a gas or solid material) to cut, burn or dissolve tissues various clinical purposes: In, to treat diabetic retinopathy and, to destroy leaking and new blood vessels (neovascularization); on iris or trabecular meshwork, to decrease pressure in glaucoma; after extracapsular cataract extraction, to open posterior lens capsule. Part that converts images from eye's optical system into electrical impulses that are sent along optic nerve transmission to brain.
Optic disc, optic nerve head. Can cause foreign body sensation, burning eyes, filamentary keratitis, and erosion conjunctival and corneal epithelium.
Vision FitnessSmall central area surrounding fovea; area acute central. Eyeglass lens that incorporates three lenses different powers. Away; lower number indicates that same symbols can be seen at 20 ft. Usually uncorrectable by eyeglasses or contact lenses.(Return to top) p patching. (Return to top) f farsightedness. Can be seen with an ophthalmoscope. Transparent, colorless gelatinous mass that fills rear two-thirds eyeball, between lens and. High frequency waves are reflected by tissues and orbital structures and converted into electrical pulses, which are displayed on a printout.
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