Because the Cornea is as smooth and clear as glass but is strong and durable, it helps the Eye in two ways:

  • It helps to shield the rest of the Eye from germs, dust, and other harmful matter. The Cornea shares this protective task with the Eyelids, the Eye socket, tears, and the sclera, or white part of the Eye.
  • The Cornea acts as the Eye's outermost Lens. It functions like a window that controls and focuses the entry of light into the Eye. The Cornea contributes between 65-75 percent of the Eye's total focusing power.
  • The Cornea also serves as a filter, screening out some of the most damaging ultraviolet (UV) wavelengths in sunlight. Without this protection, the lens and the retina would be highly susceptible to injury from UV radiation.
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Chicken Pox Ulcer

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Corneal Icterus

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Corneal Transplant

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Corneal Ulcer Flurocin Staining

The Cornea copes very well with minor Injuries or Abrasions. If the highly sensitive Cornea is scratched, healthy cells slide over quickly and patch the injury before infection occurs and vision is affected. If the scratch penetrates the Cornea more deeply, however, the healing process will take longer, at times resulting in greater pain, blurred vision, tearing, redness, and extreme sensitivity to light. These symptoms require professional treatment. Deeper scratches can also cause Corneal scarring, resulting in a haze on the Cornea that can greatly impair vision. In this case, a Corneal transplant may be needed.

Dr. Parul Sharma

Deep Keratitis-Pre Treatment

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DSEK-post-op

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Penetrating Keratoplasty Post-op

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Pterygium Pre-op