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Health Forum    Optical
Health Discussion Forum

 What's with this shaky vision?
Yesterday, for like 10 minutes, my vision got really weirdly shaky. Like I'd look at my computer screen and it would shake a little bit side-to-side. And when I would look at something farther ...

 Non perscription eye contacts?
I'm wondering where I Can eye contacts?
I don't wear glasses, nor do I need them.. I just am wondering
if you know where I could get any contacts (non perscription)?
I just ...

 What would you call this eye colour?
Ever since I was little I've had weird eyes - my mum called them cat's eyes because they change in the light. She has light blue eyes and my dad has hazel, but mine can be anything from ...

 What are eye exams like?
I never had one and I'm getting my first one Friday. Anyone mind giving me some details as to what one is like.
Thankies in advance. ^.^...

 is specs removing operation are successful?
i have -3.00 no. of specs on both left and right eyes
is operation to remove specs last forever....
suggest any other ways to improve eye ...

 where can get prescription nerd glasses?
i am getting new glasses in the summer and i have to questions:
1.if i like a pair of sunglasses frames can i get them in reading lenses
2. what brand or store sells reading glasses that ...

 Who has had Laser Eye Surgery?
I'm looking into it, but i've heard that it only lasts a few years until your vision goes back to how it was before the surgery.
Does it hurt?...

 Eye concentration problems?
Ok, this is kinda hard to explain so bear with me...

When I look at things I have a hard time concentrating on one thing. For example, when im driving, i cant stop staring ahead. I dont ...

 What happened to Eminems eyes?
If you watch any of his recent interviews or his new not afraid music video you can see that his eyes seem alot larger and more piercing, almost like he is trying to keep them really WIDE open. Maybe ...

 Is there any way to correct color vision without surgery?
I am tired of not being qualified for the job I want because I can not pass either of the tests for color deficiencies. I can see most colors, my problem is that I can not always tell certain shades ...

 I have a little black dot in the middle of my vision?
It's not very noticeable, but I see it when I'm looking at a white wall and the computer screen.

I'm 19, and I'm also near-sighted. I started noticing it a couple ...

 Has this happened to you, you close ur eyes and then you cant breathe, move or open ur eyes?
ok has this happened to you
you close ur eyes to go to sleep on ur bed
and then eventually you cant open ur eyes, breathe or move while ur still awake for about 15 seconds?
this ...

 contacts please help read this question please please please??
ok well i dont have glassess and i have a perfect vision 20/20 both eyes and well i was wondering if you could get contacts without a perscription and if you can how much would they cost? what are ...

 toothpaste...in my eye.?
ok dont ask me how i did it, im a clutz and uncoordinated and pretty much attract danger and i hurt myself all the time, but anyway i got a bit of toothpaste in my eye as i was brushing my teeth, it ...

 What frames should I get?
I really want some prescription sunglasses. I was looking into some Oakleys but they can be costly....

 Im getting contacts soon and am 13...can you tell me all about it please?
like what do i do at the exams, doctors wat do they do......

 Progressive lense manufacturers - which are best?
There are several manufacturers of progressive lenses: Essilor (Varilux), Zeiss, Sola, Nikon and others. Which are the best in terms of quality and what are some of the differences between them that ...

 Toric Contacts or Accueview? I have astigmatism. how about you?
I just got contacts and i have astigmatism in both of my eyes, right now i'm using toric xr (i believe) for a 7 day trial period. however, sometimes they get blurry and i have to adjust, move or ...

 My distance vision is fine, my near (reading) prescription I think is +2.25.?
I am not getting on with varifocals for driving and am going to buy some half-eye readers that I can drive and look over the top. I only want them when I need to see the SatNav writing about 4 feet ...

how long can you wear a pair of contacts lenses for without changing to a new pair?

Noe H
What brand of contacts are you in? Usually a month.

This really depends on the type of lenses you are wearing and your eyes tolerance for contact lens wear. There are lenses you can wear non-stop up to 30 days and other that are disposed of daily after about 12 hours of wear.

There is not enough information in your question to answer it.

Depends on the brand and type.

Conventional soft lenses are designed to last 12-18 months RGPs for about 3 years

Disposables are available in single use (dailies), 2 weekly (14 wears) and monthly (30 wears). That information should be on your lens pack, or check with you're optician. The solution you use can also increase the number of days that you wear your lenses for, I was using Aosept Plus (peroxide solution) with Frequency toric monthlys, and was able to increase the number of days I could wear each pair of lenses by 5 days. Another factor to take into account is the general comfort of the lenses,if you are close to the recommended number of wears and your eyes always feel gritty its time to change lenses

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