The raised area in the center of a roundabout around which traffic circulates.
a complication of laser vision correction where the laser beam fails to remove a portion of cornea, usually in the center of the area to be removed. If the concave area of the ablation is a lake this complication is an island of tissue sticking up in the center. Visual symptoms include monocular double vision or distortion.
A type of refractive lasik surgery where the laser creates an island in the cornea. This is a mistake made by the doctor and will lead to blurry vision and uncomfortable side effects.
Refractive surgery complication in which the laser leaves an "island" of corneal tissue in the concave ablation zone. Symptoms include double vision and distortion.
A complication of excimer laser assisted refractive surgery where the laser fails to remove a portion of cornea. If one views the concave area of the ablation like a lake, one can imagine an island sticking up in the center. Visual symptoms are typically monocular diplopia or distortion. Detailed Information Regarding Lasik Central Islands
A complication of broad beam laser vision correction where the laser beam fails to remove a portion of cornea, usually in the center of the area to be removed. This may result in visual symptoms such as night vision sensitivity, including difficulties driving at night due to light sensitivity, glare, and halos (circular flares or rings of light around headlights or other lighted objects).