I am short sighted , luckily my prescription has hardly changed since I was 20 . I do need prescription safety glasses when I go on production areas in my job . They prescribed bi focals once to allow me to read and see distance. Never again ! It was like drinking 8 pints of Stella Artois when I put them on How people get used to them is a skill I do not have.
I've tried varifocals and cant get on with them, especially at work, as they make everything look curved. I'm going to call the optician tomorrow and get them to check the reading glasses. The distance ones dont make the differing focus so noticeable, but it still shows up when looking at things relatively close. Also looking at the reading glasses the lenses seem to be very thick in comparison to my old ones, which I can see through well enough. One lens is a lot thicker than the other, but there seems to be almost no difference between my left eye and my right eye according to the prescription apart from the Axis value. I often use a pair I bought from the Chemist for a tenner, and they are better than my new ones.
My eyes adjust well to my distance glasses, but the last prescription I had made me feel funny.... can't describe, it was like my eyes couldn't focus through them. But the "go away and get used to them" worked. I don't know if it's just eyes/brain need time to adjust or whether they just wanted rid of me!!
I had a pair of varifocals once, and it was a complete waste of time and money. You have to keep moving you head rather than your eyes to keep what you want in focus. So unless you walk looking down at your feet it'll be blurry down there and you'll trip over something, you'll find it impossible to lie down in bed and watch TV, and your car dashboard will be all blurry unless you tilt your head down (looking away from oncoming traffic) to check your speedometer. Chucked them out after about a week, with separate pairs for distance/walking/driving and computer/close'ish work, plus simply removing them for reading, everything is fine, especially as I can now wear my driving glasses to stuff twice as many seed spuds into Wilkos bags, plus keep getting 'double the difference' at Tesco when they've left out of date shelf edge labels in place;. P.S. Do not drink a skinfull the night before an early morning eye test, or your new prescription might be a bit blurry used when sober.
There's also the possibility the optician has given you lenses/glasses that were made for someone else. I'd have both pairs checked out Pete and don't forget to take your written prescription back with you.
Hi Jiffy, Lenses are polished both sides. I used to be a lens grinder( called " fining " in the trade) and polisher. To those of you who say you should be able to see correctly within a minute or so of receiving them that's baloney. Both your eyes and brain need time to re-adjust. I would say that if there is a problem it is probably a mix up when the lens were fitted into the frames.
Well my Grandfather, was a pioneer ophthalmic surgeon, and eye specialist It is down to the brain He once made spectacles with a prism that turned everything upside down, kept the volunteer in the dark overnight fitted the specs and then all day they waited Initially everything appeared upside down, by evening, all could be seen normal through the lens When they were removed so no glasses, the world was upside down, thus further time for the Brain to recover to seeing normal (what is normal, What ? do we really see then? :-) Jack
Is it down to the brain that one eye focuses in a different place to the other? I thought the whole idea of having lenses made to your prescription was to get them balanced to correct each eye to the same focus at the same distance. Jack, what you are saying is they could give me anyones prescription and in time my brain would adjust Wouldn't half put a lot of opticians out of business if that was a fact.
Sorry Anthony, that's not quite right. Admittedly, most people need some time to adjust but not all. There are people that can tell within a few minutes. They actually have it on my file that I only need ten minutes to tell whether they are correct or not and, they tell me, that some others have similar notes. With the problem that Pete is having I would say that there is an obvious fault. To have different focal lengths can be very dangerous. Try walking down stairs!
I agree with that I know some one who had a new pair of lens (the person will have the best of the best)when the glass arrived the person sayed that's cheap and question it, the person had the glass for a week and they couldn't get on we them out of focas etc, the person took them back, well the makers of the lens got in volved and they said they're made to the prescription, the makers of the lens came down to the shop and had a meeting with the person, had new eye test done, which was the same as the prescription before (no change in the persons eye sight) they looked at all the records and the only thing which was differant was that it wasn't polished on bothsides which is why they were cheaper, the person had new lens done as to the perscription and polished bothsides no more problems, and the new lens were free, but the persons out of good will said they will go haves as they didn't paid full price to start with
I may be using mistaken logic but it seems to me that when the optician tests your eyes and finds, according to you, that particular prescription is much clearer, then when the glasses are made up it should result in you being able to see much clearer - as you did during the test. I accept that the ocular muscles may have got used to a certain action but it shouldn't take long for them to adjust. The difference should, at worst, give you muscular eye ache.
When i was refering to the problem of the person, that person does have differant eye sight to you and me unless you have the same problem, but that person will need to have the best lens on the market, even when the eye test show only a slight differants it will be hard of the persons to see, even the opticians can't believe that a small differants makes it hard for that person to see.
Not quite right, Pete, these people are highly qualified and skilled using cutting edge equipment [for which you're paying} and so only use your comments as a sub reference. So the emphasis is on their judgement not yours
