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Pastimes : Decorate SI for the Holidays! -- Ignore unavailable to you. Want to Upgrade?

To: Carolyn who wrote (1519)	2/14/2000 11:10:00 AM
From: Cisco	Read Replies (1) \| Respond to of 1982

The next time you go to the eye doctor, chances are a machine will be able to tell whether you can make out ``T Z V E C L' before you even try to read the eye chart. Carolyn, I don't have much time to discuss this now, but I can tell you the first line of the article is false! A person's objective corrective prescription and their subjective response as to what they see are two totally different things! I can currently pick up a $300 instrument and determine someone's objective corrections within plus or minus 0.25 diopter in about 2 minutes. I can currently use a $10,000 instrument and determine it in about 30 seconds. So this new technology at a cost of $30,000 to $50,000 is going to allow me to do it in how much time? Regardless of what I find objectively, I am going to check it subjectively because that is what really counts! There are many reasons I often give patients something other than their objective findings. Sure the new technology perhaps will allow one to delegate the testing to a less skilled individual and in some cases may be superior to current methods, but subjective visual acuties and testing aren't going anywhere in the near future. I would appreciate the person who wrote this article to explain how this instrument is going to detect a subjective loss of vision secondary to pathology such as macular degeneration, diabetic retinopathy, glaucoma, optic nerve inflammation, or even cataracts not to mention all the psychological aspects of seeing. Until the person tells you they can't see even with the objective correction in place, you aren't going to know there is a problem! That is going to take the eye chart and some type of visual field testing! Disclaimer: I have not reviewed this new technology and base my response only upon the information in the press release.