Definitions for "Central Island"
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.