Medical Forum / General / Vision / March 2008
Wearing eyeglasses over contact lenses
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douglas - 28 Feb 2008 23:51 GMT Is it possible to wear eyeglasses over contact lenses? My right eye is a -11.00D, and Dres Hertzog and Ryan, my opthalamologist and optometrist --respectively-- gave me a balance lens, b/c my frames'd look horrible w/ a -3.00lens for the left, and a -11.00D lens for the right. So, could they give me a -8.00D contact lens for my right eye -- and plano contacts for my left--, and me wear my glasses over them?
Thanks!!!!
Neil Brooks - 29 Feb 2008 00:13 GMT > Is it possible to wear eyeglasses over contact lenses? My right eye is > a -11.00D, and Dres Hertzog and Ryan, my opthalamologist and [quoted text clipped - 4 lines] > > Thanks!!!! I've worn glasses over contact lenses for years. It's not at all uncommon, and -- at least IME -- not particularly challenging for the eye docs.
douglas - 29 Feb 2008 03:49 GMT > > Is it possible to wear eyeglasses over contact lenses? My right eye is > > a -11.00D, and Dres Hertzog and Ryan, my opthalamologist and [quoted text clipped - 8 lines] > uncommon, and -- at least IME -- not particularly challenging for the > eye docs. Funny, Dres Hertzog and Ryan never suggested that...but my Sam's Club optician, Ms. Kim, did. Weird.
otisbrown@embarqmail.com - 29 Feb 2008 04:29 GMT Yes you can do that -- but why?
The minus contact can take care of your distant vision for you.
Otis
> Is it possible to wear eyeglasses over contact lenses? My right eye is > a -11.00D, and Dres Hertzog and Ryan, my opthalamologist and [quoted text clipped - 4 lines] > > Thanks!!!! Mike Tyner - 29 Feb 2008 06:31 GMT > Is it possible to wear eyeglasses over contact lenses? My right eye is > a -11.00D, and Dres Hertzog and Ryan, my opthalamologist and > optometrist --respectively-- gave me a balance lens, b/c my frames'd > look horrible w/ a -3.00lens for the left, and a -11.00D lens for the > right. So, could they give me a -8.00D contact lens for my right eye -- > and plano contacts for my left--, and me wear my glasses over them? Absolutely a good idea. They didn't mention it because many patients don't like "fooling with contacts AND glasses" and some think you're trying to pad the bill.
There's no need for the plano contact in the left eye unless you're also using contacts to change your eye color.
If your glasses are -3.00 in both eyes, the correct contact lens might be -7.25.
In the upper minus range, contacts are more "effective" than glasses such that -10.00 glasses have the same effect as -9.00 contacts.
Normally it's done by putting on a -7.00 contact lens and testing for glasses again (overrefracting), then making a spectacle lens with the sphere and cylinder (and bifocal) measured over the contact.
The other way is more approximate (specs made first), but even a half diopter of blur is better than "balance."
If you don't mind fooling with contacts.
-MT, OD
Mike Ruskai - 29 Feb 2008 18:49 GMT >Is it possible to wear eyeglasses over contact lenses? My right eye is >a -11.00D, and Dres Hertzog and Ryan, my opthalamologist and [quoted text clipped - 4 lines] > >Thanks!!!! I'd just add that going the contact route will also make it so your left and right eyes see things as the same size. With that prescription, glasses-only would make things in your right eye look around 20% smaller than things in your left eye.
 Signature - Mike
Ignore the Python in me to send e-mail.
Robert Martellaro - 29 Feb 2008 18:51 GMT >Is it possible to wear eyeglasses over contact lenses? My right eye is >a -11.00D, and Dres Hertzog and Ryan, my opthalamologist and >optometrist --respectively-- gave me a balance lens, b/c my frames'd >look horrible w/ a -3.00lens for the left, and a -11.00D lens for the >right. Not necessarily horrible- a 46mm oval decentered 2mm in, using a 1.5mm CT 1.74 index lens for the right is less than 6mm thick at the edge (no roll). Trivex in the left eye would be about 3mm thick using the same center thickness.
However, you probably won't be able to wear the full Rx if it's corrected with eyeglasses. That will probably require contact lenses, with glasses over the CLs if you're presbyopic.
You should call your eye doctor and ask if CLs are an option for you, and if it's worth trying to correct the vision in the right eye.
Robert Martellaro ~~~~~~~~~~~~~~~~~~ Optician/Owner Roberts Optical Wauwatosa Wi. ~~~~~~~~~~~~~~~~~~ "Science is a way of trying not to fool yourself." - Richard Feynman
douglas - 29 Feb 2008 21:40 GMT > >Is it possible to wear eyeglasses over contact lenses? My right eye is > >a -11.00D, and Dres Hertzog and Ryan, my opthalamologist and [quoted text clipped - 21 lines] > "Science is a way of trying not to fool yourself." > - Richard Feynman I'm also amblyopic in my right eye, and Dres Hertzog and Ryan didn't seem to want to give me a prism. Should the prism be in the eyeglasses, or the CL?
Mike Tyner - 01 Mar 2008 05:48 GMT Not all amblyopes need prism.
If you need prism, it usually can't be done in contacts.
I suspect your amblyopia is "anisometropic", from unequal refractions.
Mostly prism is used in strabismus, another way to get amblyopia.
-MT, OD
"douglas" <Protoman2050@gmail.com> wrote in message news:4612f71a-40b3-46d8-93b5-
I'm also amblyopic in my right eye, and Dres Hertzog and Ryan didn't seem to want to give me a prism. Should the prism be in the eyeglasses, or the CL?
douglas - 01 Mar 2008 08:16 GMT > Not all amblyopes need prism. > [quoted text clipped - 13 lines] > seem to want to give me a prism. Should the prism be in the > eyeglasses, or the CL? No suprise there...I'm up on my optometry and opthalmology too, you know.
So, I assume anisometropic amblyopia can be treated w/ prism lenses, right?
Mike Tyner - 01 Mar 2008 14:18 GMT > So, I assume anisometropic amblyopia can be treated w/ prism > lenses, right? It might, but it usually isn't, unless you have strabismus too.
To your original question - if you need prism, it would go in the glasses, not contacts.
-MT
douglas - 01 Mar 2008 22:18 GMT > > So, I assume anisometropic amblyopia can be treated w/ prism > > lenses, right? [quoted text clipped - 5 lines] > > -MT I know that now.
Why wouldn't anisometropic amblyopia be treaed w/ a prism? Is simply correcting the anisometropia enough?
Mike Tyner - 01 Mar 2008 23:50 GMT Prism is used for alignment problems - muscle imbalances where both eyes don't want to point in the same direction.
Anisometropia doesn't automatically cause alignment problems, except where it's so bad that the eyes never learn to "fuse" (point in the same direction to form a single image.)
-MT
On Mar 1, 6:18 am, "Mike Tyner" <mty...@mindspring.com> wrote:
> "douglas" <Protoman2...@gmail.com> wrote > [quoted text clipped - 7 lines] > > -MT I know that now.
Why wouldn't anisometropic amblyopia be treaed w/ a prism? Is simply correcting the anisometropia enough?
douglas - 02 Mar 2008 01:11 GMT > Prism is used for alignment problems - muscle imbalances where both eyes > don't want to point in the same direction. [quoted text clipped - 23 lines] > Why wouldn't anisometropic amblyopia be treaed w/ a prism? Is simply > correcting the anisometropia enough? Well, Dres Hertzog and Ryan did say I have an amblyopic right eye --I can close my right eye, and be able to function normally; it only gives me a little periphial vision, and I have trouble walking down stairs and escalators--...so, again, would correcting the anisometropia be enough?
Mike Tyner - 02 Mar 2008 06:09 GMT Yes, correcting the aniso is enough.
Prism is for people who see double. You've probably never had double vision.
-MT
Well, Dres Hertzog and Ryan did say I have an amblyopic right eye --I can close my right eye, and be able to function normally; it only gives me a little periphial vision, and I have trouble walking down stairs and escalators--...so, again, would correcting the anisometropia be enough?
douglas - 02 Mar 2008 06:38 GMT > Yes, correcting the aniso is enough. > [quoted text clipped - 7 lines] > stairs and escalators--...so, again, would correcting the > anisometropia be enough? Nope, never. My anisometropic amblyopia is due to grade 2 retinopathy of prematurity --born at 22 wks--, if that helps you guys out a bit more.
douglas - 01 Mar 2008 11:17 GMT > >Is it possible to wear eyeglasses over contact lenses? My right eye is > >a -11.00D, and Dres Hertzog and Ryan, my opthalamologist and [quoted text clipped - 21 lines] > "Science is a way of trying not to fool yourself." > - Richard Feynman I'm not presbyobic...I'm 16.5!!!!
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