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Comparative study of intraoperative mitomycin C and β irradiation in pterygium surgery
  1. JIMMY S M LAI
  1. Department of Ophthalmology, United Christian Hospital, Kwun Tong, Kowloon, Hong Kong
  2. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Eye Unit, Prince of Wales Hospital, Shatin, New Territories, Hong Kong
  3. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital, 147K Argyle Street, Kowloon, Hong Kong
  1. CLEMENT C Y THAM
  1. Department of Ophthalmology, United Christian Hospital, Kwun Tong, Kowloon, Hong Kong
  2. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Eye Unit, Prince of Wales Hospital, Shatin, New Territories, Hong Kong
  3. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital, 147K Argyle Street, Kowloon, Hong Kong
  1. DENNIS S C LAM
  1. Department of Ophthalmology, United Christian Hospital, Kwun Tong, Kowloon, Hong Kong
  2. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Eye Unit, Prince of Wales Hospital, Shatin, New Territories, Hong Kong
  3. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital, 147K Argyle Street, Kowloon, Hong Kong
  1. Jimmy S M Lai jsmlai{at}netvigator.com

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Editor,—We read with interest the study that compared intraoperative mitomycin C with β irradiation in primary pterygium surgery. The authors rightly commented that long term complications of β irradiation, such as scleral necrosis, may arise more than 10 years after the irradiation.Longer follow ups are necessary to reveal such complications.

We performed primary pterygium excision with intraoperative β irradiation in one eye of six patients between 1988 and 1990. A dose …

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