Micro-monovision
Posted , 6 users are following.
I've been reading a few items about micro-monovision but don't find that being discussed in this group. If I've just missed it, please let me know! Thank you.
0 likes, 4 replies
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Notes on Micro-monovision
trilemma judith93585
Edited
I can assure you that you have missed it. But note that the divide between mini and micro is fuzzy. It is better to speak numbers rather that play with ambiguous semantics.
RonAKA judith93585
Edited
Mini-Monovision is when the distance eye is corrected to plano or -0.25 D, and the near eye is targeted to -1.25 to -1.50 D, and in some case as much as -1.75 D. Micro-monovision is when the distance eye is corrected to plano, but the near eye is targeted to -0.75 D to -1.00 D. If your near eye turns out to be -1.50 as you expect, there is no option to do micro-monovision. That ship has sailed. The third version which has fallen out of popularity is full monovision which is distance eye to plano, and the near eye at -2.50 D to as much as -3.00 D. The reason it has fallen in popularity is that many people cannot adjust to that much differential between the two eyes. But, it does give reading vision equivalent to typical progressive eyeglasses.
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I am not a fan of micro-monovision as it does not give you enough near vision to be eyeglasses free for many reading tasks. You join the crowd that goes to the store with a pair of reading glasses handing around their neck, or in their purse.
RebDovid judith93585
Edited
Full monovision, mini-monovision, and micro-monovision refer to the amount of anisometropia (difference in the refractive power of the two eyes). They do not assume any particular refractions in the two eyes. Put otherwise, both -0.25 D SE / -1.25 D SE and -1.50 D SE / -2.50 D SE are examples of mini-monovision because in both instances the difference between the eyes is 1.00 D SE.