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So, basically with these lens i can see up close, but no mid range or distance vision. If however i wear a distant vision in one eye, and the bifocal in the other eye it works , but i was hoping for bifocals in both eyes since the doctor gave me two trials to try. |
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So those numbers were on the box of contact lenses? Were there any more numbers? I'm used to seeing a contact lens prescription that has three sets of numbers. Something like -2.00 -0.50 180.
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Thank you |
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Okay, here we go. "BC" is for "base curve." Think of your contact lens as a bowl. Now imagine exaggerating the curve of the bowl until you have something like a round goldfish bowl. That's an extremely small base curve ![]() Now imagine going the other way and reducing the curve until you have a plate. That's an extremely large base curve. ![]() "Dia" is the diameter of the lenses, or the distance from one edge to the opposite edge. Since these contacts are for presbyopia, they have an extra measurement called "add" which could be Low, Mid or High. In this case it's Mid. That should do it. Any more questions? |
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Thank you for that information, however, the+0.00/mid is the real question. And does that mean that i would not have any distance vision, because i don,t. i have really good close vision.
Again thank you |
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So it sounds like a high index lens is a very strong one. A mid index one, not so much. So . . . your prescription is a base curve of 8.4 millimeters, a lens diameter of 14.3 diopters, +0.00/MID index and an add of 1.75. |
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No, the mid add does not mean that you won't have distance vision. According to lensshopper.com "add" is "a prescription added for reading or close-up seeing for those with bifocal [or in your case, multi-focal] lenses." So the add helps you to read more easily.
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i would go but i am afraid to go..... they might get mad at me..... i know , i am not sure what i am going to do....i think they think i am a pain....
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I hope that they don't think you're a pain, patresh. As long as you're polite and respectful, they should be happy to do what they paid all that money to go to school for--to help people like you see better with the help of contact lenses. If they don't want to help you, then maybe you should find someone who does.
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Yes, i will my appt is aug 3, so i will not know anything until then. I was hopeing to have some alternatives, as they do not carry biofinity, and the attendents comment was if this doesn,t work, that would be it. But i will keep you informed.
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Going back and reading the thread, the latest issue seems to be the "tiny blur" you mentioned. If that's the only concern you have right now, maybe you should just try to ignore it until you see them again in August. |
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Fair enough. I hope we get some good news from you after your August appointment. You may want to write down your questions now so you'll be ready when you see the doctor.
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That's a good idea. I've gone in to my doctor's appointments with a list of questions and he didn't seem to mind.
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