The human eye is a marvel of biology, but it is also susceptible to various refractive errors that can blur our view of the world. For over a century, the gold standard for diagnosing these vision problems has been the Snellen Chart. While most people recognize the chart with the giant letter "E" at the top, a significant barrier exists for millions of people who cannot read the Latin or English alphabet.

A: Medical supply stores in Lahore, Karachi, Delhi, or online retailers like Daraz.pk or Amazon (search “Urdu eye chart”).