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Biotech / Medical : SNRS- Sunrise Technologies

SNRS 0.000001000

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Nov 21 9:30 AM EST

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To: E who wrote (2731)	7/21/1999 2:28:00 PM
From: Jacques Chitte	Read Replies (2) of 4140

I'm no MD, but I have some passing acquaintance with clinical protocols. Imho there are two big questions here. 1) The VISX procedure is surgery with a laser, i.e. invasive. By the sound of it - it trades contrast for acuity. This is to be expected if tissue is removed. The SNRS procedure is non-surgical (do I have this right, MDs?) - tissue is not removed, nor is the continuity of eye tissue disturbed. In an optical system, flare and hazing is the result if discontinuities - if the overall curvature is correct, as I'd expect it to be after a spell of VISX. 2) There was no baseline to tell if the VISX procedure worsened or just "didn't improve" night vision. For me personally this is very disheartening. One of my hobbies is stargazing, and my right eye has gone myopic. If the Pleiades (which once looked glorious to my naked eyes but are now a patch of faint fuzz) are still a blur after VISX, I would consider it money thrown away. Maybe tomorrow we will get soem more info on whether the SNRS procedure keeps night vision parameters (sensitivity to low light and low contrast) intact. To summarize, both are REAL concerns, but the jury is out on either. We need more data.

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