An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism is used to form an image of a cross, the vertical and horizontal lines will be in sharp focus at two different distances.
Okay, so me and a couple of my friends are planning to go to Knott's Soak City ^^. Is it a bad idea to wear contact lenses? I think you're not...
I've seen some colored contact lenses on people with dark eyes and while they look nice from far away, when you get close, they look really fake. ...
I took my contact lenses out of my eyes tonight and cleaned them, then I put a the left contact in the left container, and then put the right contact ...
Im gonna get contact lenses soon and im wondering if i should get colored lenses. What would go good with black hair, tan skin. I also want to know w...
I just found out I have an astigmatism and may need glasses. I know essentially what that is as was describes by the eye doctor, but what can you tell...
They're both for astigmatism, so which is better and why? Oh, then wal-mart needs to take Acuvue Toric off their website.
I have astigmatism fully in my right eye and just a little in my left. I wear contacts currently, but would really like to have lasik or any other co...
I am near sighted and have been wanting contacts for awhile but i need to find out how much they are and how much they are if you have astigmatism. An...
I stopped wearing my gas permeable lenses for almost a year to allow my eyes to heal after having been diagnosed with corneal neo-vascularization. The...
I have keratoconus can any one recommend me a particular doctor or know of the latest advancements in treatments or procedures. I have one eye in an a...
What is the most recent deveopment technique for healing Keratoconus, specifically if there is any new style or forms of contact lenses, which is easy...
What makes it more difficult is I need to use a soft lense and a hard one.
I have received treatments from doctos but some have been reluctant to prescribe anything , saying I should just put up with it , even though it has m...
This does not usually get diagnosed until lates teens early 20's so far as I can tell with research. Can anyone tell me the outlook in someone so...
Can anyone please help me find discount contact lens at a reasonable price online? All the websites I've been to don't have much of a selecti...
I know Wal-mart has reasonable prices, but does anyone know of any online stores?
I'm referring to the cost of the exam itself, not contacts.
Where can i buy on internet a pair of colored contact lenses colored with opaque colors? wanna look like this: http://www.discount-lenses.com/im...
does ordering from the dr mean a deal bc they order so much from their supplier ( for their patients) that they get a discount? im curious bc i had an...
what happens if disposable contacts of lets say 2 weeks are kept for longer...what are the cons.
I am staying over at a friends house for the night. I found out that I left the stuff I usually use for my disposable contacts at home. It's late ...
I wear disposable 1 to 2 week contact lenses. I never wear them overnight...I take them out and soak them in multi-purpose solution. Is it safe to w...
Hi all, I was just wondering why you can only wear disposable contacts for two weeks? I steralize mine every night and take good care of them so wh...
Im looking to get lasik surgery (a.k.a laser eye correction) but i was wondering if anyone has had it done, how much it costs on average? Also, if you...
I wear contacts and am getting sick of dealing with them. I know laser eye correction costs a couple of grand an eye but is there some kind of paym...
They put some drops in my eyes to dilate my pupil. How long will it remain dilated? It has been five hours now.