Re: Intacs
Posted: Tue 26 Jan 2010 9:21 am
Intacs involves the insertion of small semi circular slips of clear plastic into the cornea. It is reversible and should offer both improved vision and the possibility of an easier fit for contact lenses.
Crosslinking usually involves the removal of the surface layer of cells from the cornea and then dropping riboflavin into the eye over a period of half an hour or so. The riboflavin is then fixed into the structure of the eye using ultra violet light. Because of the use of UV, it is not considered safe to offer crosslinking to people whose corneas have thinned below 400 microns.
The fact that they are always crosslinking less depleted corneas means that they have no way of knowing after the event whether the stability of the cornea would have happened spontaneously or whether it has been a result of the procedure.
Andrew
Crosslinking usually involves the removal of the surface layer of cells from the cornea and then dropping riboflavin into the eye over a period of half an hour or so. The riboflavin is then fixed into the structure of the eye using ultra violet light. Because of the use of UV, it is not considered safe to offer crosslinking to people whose corneas have thinned below 400 microns.
The fact that they are always crosslinking less depleted corneas means that they have no way of knowing after the event whether the stability of the cornea would have happened spontaneously or whether it has been a result of the procedure.
Andrew