Before revision: It is performed for one puncta at a time per eye, although depending on the need, it can eventually be done for all fou Cauterization can result in temporary redness for a few hours which is caused by a protective cover over the eye.
After revision: It is performed for one puncta at a time per eye, although depending on the need, it can eventually be done for all four Cauterization can result in temporary redness for a few hours which is caused by a protective cover over the eye.