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Medical Forum / General / Vision / March 2006Change in prescription??
At my 2003 eye exam, my distance vision was -2.50 in each eye. My distance vision at my exam last week was -2.25 in each eye. Is a small variation like this normal? Can you distance vision improve or is this such a small change as to be insignificant? > At my 2003 eye exam, my distance vision was -2.50 in each eye. > My distance vision at my exam last week was -2.25 in each eye. > Is a small variation like this normal? Can you distance vision improve > or is this such a small change as to be insignificant? Yes, such a small variation (and .25 is small) is normal and can be attributed to one or more of the following: - Your general health - How tired your eyes are at the time of the exam - The skill and preferences of the OD (some tend to err on the side of more correction, and others on the side of less correction) - Incorrect answers you gave during the exam (which is better: 1 or 2?) thats a normal margin of error. My vision fluctuates by that much everyday acema...@yahoo.com wrote: > thats a normal margin of error. My vision fluctuates by that much > everyday I wouldn't read too much into that statement. Our little friend, Aceman, is a user of hallucinogenic mushrooms. psychotropic drugs have that effect on people > At my 2003 eye exam, my distance vision was -2.50 in each eye. > My distance vision at my exam last week was -2.25 in each eye. > Is a small variation like this normal? Can you distance vision improve > or is this such a small change as to be insignificant? Between 20 and 40, it's pretty common, not really rare at any age. It might improve another notch or three by the time you're 50, if the averages hold. -MT It's not unusual. How much do you wear your prescription? >> At my 2003 eye exam, my distance vision was -2.50 in each eye. >> My distance vision at my exam last week was -2.25 in each eye. [quoted text clipped - 7 lines] > >-MT I remind you folks of an old truism...your thirties are the time of your life that you are too old to grow but too young to shrink. As you approach 40 and then pass it, eyeballs shrink, lens zonulrs tighten, knees and shoulders tighten...the big shrink has begun. A growing myope elongates his eyes, an aging myope shrinks it. Sigh. ;) |
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