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April 1983

Cataracts Produced by Argon Laser Photocoagulation

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Arch Ophthalmol. 1983;101(4):665. doi:10.1001/archopht.1983.01040010665031

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To the Editor.  —Two articles in the July Archives (1982;100:1068-1070 and 1982;100:1071-1073) described cataracts produced by argon laser photocoagulation. We believe the Rodenstock Panfunduscopic lens may contribute to such complications.We have also seen patients with laser-induced cataracts. Additionally, we have noted corneal burns during the procedure. A 79-year-old woman was treated for branch retinal vein obstruction with the Coherent series 800 argon laser using an American Optical slit-lamp delivery system. While providing 500-μm burns at 0.1-s duration and 2,000-mW power setting, a progressive clouding of our view of the fundus was noted. When the contact lens was removed, extensive focal superficial corneal burns were noted (Figure).Although these lesions resolved without sequelae in response to patching, laser surgeons using the Rodenstock Panfunduscopic lens are urged to consider the following issues:

  1. All spot-size settings are effectively enlarged by the optics of this lens to more than the retinal size

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