Conveniently located on Nesconset Highway/Route 347, 1/8 mile east of Route 112 on the north side of Route 347. Insight Vision Center’s office is open 5 days a week. Call us to make an appointment with Dr. Kessler to discuss your eyeglasses, contact lenses or specialty lens needs. Or just drop in anytime to browse through our large selection of designer eyeglass frames and sunglasses. Walk-ins are welcome. With our office in Port Jefferson Station, Insight Vision Center has been serving the area for close to 30 years.