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Health Forum    Optical
Health Discussion Forum

 What is this thing in my eye????
There is this white spot of clear fluid in my eye right on the spot where my iris meets the white part of my eye. It's really weird. When I try to touch it it doesn't go away. it seems to ...

 I am seeing halos around lights, white splotchy vision?
It is only affecting the right eye and only when I wake up for a few hours and maybe a little before I go to bed. There is sometimes pain involved when moving my eye upward, this is rare. The other ...

 "Something" is stuck in my eye. ): I need a deterrent!?
What can you do to relieve your eye when it feels like there's something there but there isn't? I had something in my eye last week, and a few times a day I start to feel it there again. I&#...

 Why are my eyes like this?
When i wake up in the morning my eye lids and under my eyes are always swollen and pouffy. Why are they like that and how can i prevent it?
Additional Details
I dont put anything on my ...

 I have this small round dark circle moving around when i'm looking at something. ?
Right now when I'm looking at my computer screen i see it moving on the screen. It doesnt hurt, it jus bothers a bit. Does anyone know what this could be?...

 Is it bad to stop wearing glasses?
I have to wear glasses when i read because it gives me a headache to read without them. if i keep doing this will my vision get better or worse?
i can see okay if i focus but once in a while ...

 Can tanning hurt vision?
I just got out of the bed, and I got in my car to drive home, and my headlights and all the other headlights looked light blue instead of white. I wore the goggles and kept my eyes closed, so what is ...

 Does anyone own a pair of Transition lenses?
I'm thinking of getting some, and the automatic sunglasses feature sounds interesting. Do they really turn clear out of sunlight? How dark do they get outside? Do you have any choices of tints ...

 What Is the responsibility of getting Contacts? I am only 12?

 Is laser correction for eye advisable.
why is that its not popular among people even among the rich? how much does it cost in india? can i b specs-free after that?...

 Do i need glasses?i decided to have my eye a free check up and the following are the result?
when im infront of a computer and tv after watching or reading for about 10-20 mins my vision becomes blurred and sometimes i dont understand why my vision is blurry when i wake up in the morning and ...

 Do people with glasses/contacts usually have better vision with those in than people who don't need them?
I always seem to see better than my friends who don't need glasses. I wear contacts. Of course if I didn't wear them my vision would be horrible, but I do wear them, so on a daily basis I ...

 I am gonna go blind!! Please help me!!!?
I am near sighted and already have a point of 5.5. Please help me! Are there any ways to improve my eyesight naturally? I am too young to get a laser operation. By the way, does anyone know what ...

 How can I safely make my brown eyes look instantly brighter?
I'm thinking of contacts but is there anything else, like some home remedy , etc.?...

 Is (are) that stuff you wake up with in your eyes sometimes boogers?

 Why is it that when you rub your eyes you start to see a mix of colors or patterns?
let me know if im not being clear enough, im not sure how to explain it
Additional Details
im also wondering if blind people can see ...

 How to tell the contact you are about to put in your eye isn't inside out?

 Plzz tell me guys what vitamins for the eyes?
hi to ...

 Which color do you like best??

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 Im about to get contact lens and im really scared?
in a couple of days im going to get contacts but im scared of sum stuff that ive heard. Is it hard to remove and put them in. ive heard stories that ppl have got there contacts to the side of their ...

uh ya whatever
What would be the best high index glasses for a very high prescription for farsightedness?
I would like to decrease the "coke bottle" effect as much as I can. Also, how much more does high index cost?
Additional Details
And how much of a difference does high index make cosmetically and visually?

Hex the Fundies (JPAA)
An optometrist can advise you on this, but can I just correct one thing. The bottom of the coke bottle is actually a minus lens, the opposite shape to the one you are concerned with. For farsightedness a plus lens is prescribed. I'll explain.

A plus lens at it's most basic is shaped like a lentil. Flat on one side and rounded out on the other. Known as convex. This is the reason we got the word "lens" in fact, from the perceived similarity to a lentil.

A very basic minus lens is the opposite. Flat on one side and concave on the other (rounded in). An extreme version is concave on both sides, and that's the base of your Coke bottle.

The confusion between the two is common, but unforgiveable. People don't pay attention, or don't think.

You got some good advice from the other posters...please ask your optician to measure for optical centers. Sometimes the curvature of the lenses may either raise or lower your optical centers making it a little difficult to see. And depending on your Rx, if you are +4.50 or below, I wouldn't do anything higher than a 1.67 index lens.

Bytchie Bear
The highest index lens on the market is a 1.74. Show your Rx to an optician that will better be able to assess your situation. The higher the index the higher the price. A 1.74 might be overkill in your situation and a waste of money!

Flying Dragon
Because you are farsighted you need convex lenses; the high-index lenses will be "thinner" and lighter for the same power lens. Looking from the side your lenses will be thinner, but looking straight on, your eyes are still going to look big like before, because the lens still needs to be the same power, so the magnification effect will be the same as before. Also, to minimise the thickness/weight try to pick out frames with fairly small, sort of roundish/ovalish shape lens openings, where your eyes line up with the center in the openings of the frame pretty well.

With your high prescription for farsightness. . the higher is it the bigger your eyes are going to look. So get a 1.67 lens and tell them to do the center thickness as thin as possible. Because with your prescription the center of the lens is gonna be the thickest part. Because for people that a nearsighted and have a high prescription the lens is going to be the thickest in the edges. High Index lenses can range from 170 and up.

If you can get high index, go for it. In my case, it reduces the thickness of the lenses in my glasses so it looks like I'm wearing regular glasses, not strong ones. I like that. They are lighter and not as prone to sliding down my nose as regular lenses would be for me.

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