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How Thyroid Problems Affect Eye Movement — Understanding Restricted or Painful Eye Motion
Eye pain, pressure, double vision, or bulging eyes may signal Thyroid Eye Disease (TED), a serious autoimmune condition often linked to thyroid problems.

Keshav Narain, M.D.
Dec 23, 20254 min read


Do Carrots Improve Vision? Separating Fact from Fiction About Eye Health
Discover the truth behind the age-old claim that carrots improve your vision. While rich in vitamin A, essential for eye health and night vision, eating more carrots won’t enhance eyesight beyond normal levels. Learn how a balanced diet, proper nutrition, and regular eye exams play a crucial role in maintaining healthy vision and preventing eye diseases like macular degeneration, dry eye, and diabetic retinopathy.

Keshav Narain, M.D.
Nov 10, 20253 min read


Human Eye Anatomy Explained
From the transparent cornea that focuses incoming light to the retina and optic nerve that send visual signals to your brain, every layer of your eye plays a vital role in helping you see clearly. This detailed yet accessible guide explains the anatomy of the eye — including the cornea, iris, lens, retina, and optic nerve — and how they work together to create vision.
Understanding how your eyes function is key to protecting them from disease and maintaining lifelong vision

Keshav Narain, M.D.
Oct 27, 20253 min read


When Your Cells’ Batteries Fail: How Mitochondrial Diseases Affect Vision
When the “powerhouses” of your cells fail, your eyes can be among the first to suffer. Mitochondrial diseases disrupt the body’s ability to produce energy, putting the retina and optic nerve at risk. At South Bay Retina, Dr. Keshav Narain uses advanced diagnostics and personalized care to detect problems early, slow vision loss, and help patients protect their sight.

Keshav Narain, M.D.
Aug 8, 20252 min read
Contact Us
San Jose Office
455 O’Connor Dr
Suite 310
San Jose, CA 95128
Phone: (408) 294-3534
Fax: (408) 294-3214
Gilroy Office
9360 No Name Uno
Suite 210,
Gilroy, CA 95020
Phone: (408) 294-3534
Fax: (408) 294-3214
Call (408) 294-3534 for availability.
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