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The author operated 34 cases of ptervgia by. Newton´s method, which combined Mc Raynold´s transplantation with limbal incision, in these 34 cases, 4 cases we´re´ recurred, and in other 2cases, a few vessels only found on the operated area of the cornea. Among these 6 cases, one had trachoma, 3 had chronic cat. conjunctivitis and one had ´acute cat. conjunctivitis. Author thinks-. that the chronic inflammation such as trachoma or "chronic conjunctivitis is very important factor in the recurrence of pterygia. This fact also encourages the author who believes that the inflammation is rather more important factor´ in the etiology of the pterygia than the degensration.
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