decentration

listen to the pronunciation of decentration
İngilizce - Türkçe
desantralizasyonu
İngilizce - İngilizce
The removal of something from a centre
A complication of refractive surgery In perfect centration, the center of the corneal ablation exactly coincides with the center of the visual axis and/or pupil This is like looking through the very center of your spectacle lens If you look through the periphery of your lens, you might end up seeing partly through the lens and partly through the edge of the lens - this is decentration Decentration can cause various symptoms including edge glare or even monocular double vision Other factors such as the normal size of the pupil, whether it is dark out (your pupil will enlarge), or the size of the ablation zone will affect the severity or presence of symptoms
In perfect centration the center of the PRK corneal ablation exactly coincides with the center of the visual axis and/or pupil This is like looking through the very center of your spectacle lens If you look through the periphery of your lens you might end up seeing partly through the lens and partly through the edge of the lens- this is decentration Decentration can cause various symptoms including edge glare or even monocular double vision Other factors such as the normal size of the pupil, whether it is dark out (your pupil will enlarge) or the size of the PRK ablation zone will affect the severity or presence of symptoms
The process of moving the major reference point to a place in the frame that is away from the geometric center of the frame
A complication caused by movement of the pupil that can be corrected with an enhancement procedure