This is a surgical procedure to replace the normally clear outer surface of the eye called the cornea. There are several reasons that this procedure may be needed.
- Keratoconus – Progressive thinning of the cornea that creates a distorted and blurred vision.
- Corneal scar – Any injury or infection can lead to a permanent scar interfering with clear vision.
- Fuchs dystrophy – A degenerative condition of the cornea resulting in swelling and loss of clarity.
Traditionally, irreversible swelling of the cornea is treated with a full thickness corneal transplant. New technology has made it possible to remove only the inner lining of the cornea and replace it with donor tissue. This tissue is held in place initially by an air bubble and no sutures are used which leads to a much faster recovery time.
This is a new type of partial thickness corneal graft. It replaces only the Descemet’s membrane and endothelium, leaving the patient with a cornea that is closer to its original condition. This results in a quicker recovery time and less refractive shift.
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Pteryguim is a non-cancerous growth on the front surface of the eye and may be caused by UV light exposure, dust, wind and dry eye. It can appear as a pink or red growth on the white part of the eye and may continue to grow towards the pupil. If this happens or begins to cause discomfort, it can be removed. New technologies use donor amniotic grafts and tissue glue which increase comfort and speed recovery time.