The Santa Cruz eye doctors at InSight Eyecare Optometry believe in looking at the big picture when it comes to your eye health, so we take the time to get to know you, your eye care history and your vision needs. Dr. Rahul Singh, O.D., Dr. Benjamin Kohn, O.D. and Dr. Joseph Zhu O.D. know that getting the right prescription involves balancing several factors, including clear eyesight, visual efficiency and your ability to process visual information seamlessly.