A contact lens is put on the eye. This lens has mirrors that help to direct the laser light to the retina. The treatment is usually painless. It can take upto 60 minutes to complete the treatment. From 1 to 4 sittings may be required.
Laser therapy can only stop the progression of the retinopathy.
It cannot reverse the damage already done. The glasses that the patient was using earlier can be continued. This site created by Dr. Salil Mehta. All the information herein is for general patient education only. It may not be applicable in all cases.