Dr. Subhasish Das is a well experienced senior consultant Ophthalmologist associated with Columbia Asia and he has a private practice at Dr. Das's Eye Clinic in Salt Lake, Kolkata. Senior Phaco Surgeon. Done more than 14000 phaco operations. No injection, no pain, no stitches, no bandage, no sunglasses, day-care surgery. Back to work from next day, no restrictions,can take normal bath.