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Donald J. Levine, MD
New York, NY

Arch Ophthalmol. 1994;112(8):1016.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

With reference to the article on scleral complications following beta irradiation by Moriarty et al¹ in the July 1993 issue of the ARCHIVES, I was surprised to note that there was no mention of the surface areas exposed to beta radiation in the affected patients. Both area and dosage are important measurements in radiotherapy. This is paricularly so when treating scleral tissue that, because of its relative avascularity, is particularly vulnerable to radiation-induced ischemia.

As I stated in the letter² cited by the authors, I have been using beta radiation in pterygium surgery for more than 20 years and have not had any scleral complications. My dosages are similar to those reported by Moriarty et al¹ and I use a kidney-shaped applicator measuring 3.0x8.5 mm (approximately 26 mm² in area), placed at the limbus.

The recent retrospective series by MacKenzie et al³ referred to by . . . [Full Text PDF of this Article]

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