Jan 26th 2023
Posted by Accuspire
Corneal Graft And Dehiscence
When a patient undergoes corneal graft, the cornea gets weakened compared to the original cornea. The relationship between donor tissue and the host cornea is weak, both for full thickness graft as well as partial graft. If the eye experiences trauma, the risk of corneal rupturing is very high. This rupture in the cornea is known as traumatic wound dehiscence. Partial graft or lamellar graft poses less risk of rupturing, compared to full graft. Rupture can occur after or before a suture removal in a corneal graft. If the eyes get ruptured, other structures present in the eyes can malfunction, leading to poor vision.
Reasons for cornea dehiscence:
There are various reasons for corneal dehiscence. The first reason is that the junction never binds together as the previous cornea which is very intact compared to the second one. Another reason is that there are no blood vessels in the cornea. Supply of blood ensures wound healing and for a stronger cornea. It is also found out that use of topical corticosteroids has adverse effects on the cornea, leading to corneal weakness. The alignment between the donor and host tissue by using latest technologies like fematosecond laser is known to cause strong wounds on the cornea.
Complications:
When corneal dehiscence occurs, it causes the wound to rupture. The ruptured wound needs a surgical treatment. The damage cause because of rupture is drastic as the internal structures like the lens, retina can lapse and get detached. Surgery is the only possible way to get this all fixed.
To avoid traumatic wound dehiscence, one should not play sports like rugby, which involves fast movements and other sports like mountain biking, horse riding, skiing etc. it is important to wear a good pair of eyeglasses when you go out. Children should not be allowed to let their fingernails get near their eyes.
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