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bought these for my mother who is having corneal replacement surgery & has to lie completely flat on er back for most of the time - with these glasses she can be flat on her back in bed & still see TV - of course she complains that her feet are in the way - I offer to cut them off - but alas she decided a better option was to seperate her feet - Duh. Mother's what are you going to do with them
But really - to be able to see forward when lying flat is a great aide - one problem - they don't fit over your glasses - so if you cannot see without glasses - if everything is blurry witout tem - then these prism glasses will be of no help
If they made these as "clip ons" for regular glasses (like clip on sun glasses)- that would be the ticket
I ordered the North American Helathcare prism ones (NAH) and then ordered these to see if they were better. I hate NAH and like these reizen. On NAH, the horizontal dimension of the mirrors is smaller than rezen and the mirrors are further apart. This made a big difference in that there was a huge spot blocked in the middle as if I had a 3-inch wide nose. When looking far away it was maybe just slightly better. Buy these ones. I am about to return the NAH and I am sitting here looking at both and the rezen clearly has wider mirrors and just slightly closer together. I dont think my eyes are closer together than the average person either. Only downside is these look like old lady glasses (well except for the mirrors), unlike NAH -> North American Healthcare Prism Bed Specs
I bought a $6.00 pair of prisms from another seller and, although those worked, the image is not as clear as the one with these Reizens and the $6.00 pair were flimsy. The Reizens are solid and not at all flimsy; the only downside is they are a little bit heavy and I start to really notice the weight on the bridge of my nose if I'm reading for extended periods of time. For a medium price and much better quality than others I've seen, I'd buy these again. These were just what I needed so I could read while laying down and not have to prop up on multiple pillows. *Also, these were extremely useful for my father who had back surgery.
I am surprised at how heavy and well made they are. They really do what they state. It is very easy now to lay in bed and watch tv without causing pain in my neck. I didn't really like reading with them, because I need reading glasses, so trying to wear two pair of glasses at the same time is just not comfortable for me. My husband liked them so much, that even though he doesn't have a neck injury, he wants a pair, just because he said it was so comfortable watching tv laying flat on your back.
Long have I struggled to find the perfect posture for reading. It often seems that, whatever position one assumes, some limb or another is stressed, tensed, compressed. These glasses expand the possibilities. They are primarily intended for reading in bed, with the book resting on the chest, but I have also used them sitting in an armchair or recliner, head tilted back, book in lap.
The design is sturdy, the frame heavier than I expected, and, after a few days of adjustment, the glasses are easy to use. I forget I'm wearing them. At first, there was a slight soreness in the eye muscles, but this quickly dissipated as I became comfortable focusing at the short distance the glasses require. After several days, there was no sense of eye strain or fatigue. Though several other models of prism glasses are available, these are an excellent product for the price. People who do most of their reading on an ebook reader or mobile device will also benefit. The possibility of using the glasses with a laptop also strikes me as intriguing: supine, laptop on chest, wireless keyboard at arm's length.
Anyone who is disabled or forced to remain reclined or supine for long periods will especially love these.
Works as described - better even, I'd dare say. Lightweight (relatively, for what they are), they work well with or without prescription glasses and/or reading glasses.
I highly recommend them for anybody that reads or watches t.v. or DVD's (portable DVD player as I do) in bed. NO MORE 'CRICK' IN THE NECK!
Initially,I thought they were just mirrors, but no... they really are prisms - 3-D panes of glass or plastic; or, perhaps they are mirrors, but they are SEALED.
Extremely well made. They also come with a carrying bag for portability and protection, if you don't want to carry them around in the box.
Very easy to clean with a soft cloth - recommend using a lens cleaner or a moist cloth to prevent scratching (if they are made from polycarbonate, they will scratch easily - although I've not had any problem in this area - simply precautionary as the surface area appears to be made from a high grade plastic. Simply good practice, as one would do with plastic eyeglass lenses, to help protect your investment against scratches. Hope this is helpful.
I can't believe I bought these. They seem to be manufactured just fine-sturdy and weighty. They come with two nice storage cases.
But the eyestrain! You won't be able to wear them for more than a few minutes. It's hard to coordinate your hands on a screen you're using with them on, but you can do it. They do make everything smaller, so I doubt you could use this for a device mobile phone-sized. I was trying to use them for neck strain, but I can deal with neck strain easier than eye strain.
These should not be marketed as anything other than gag gifts and movie props.
These prism glasses are very good. I have another pair from a different Manufacturer and these Reizen prisma are clearly better. The big difference is that you can wear them over reading glasses while my previous pair was not wide enough to do that. The only drawback is that they are quite heavy, but the optics are excellent.