Trần Hoàng Oanh in Info

Sunlight and retinitis pigmentosa: ordinary sunglasses or amber lenses?

I state (and repeat) that Noisyvision is not a scientific website and information are based on experience and research of individual editors. However I decided to deal with this issue because we are trying to cover a range of different topics: medical, behavioral, psychological, perceptual, linked to retinitis pigmentosa (and hearing loss, since Noisyvision refers to Usher syndrome, although in this case we are dealing with an issue purely ophthalmological).

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Cutoff filters lenses

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As I said everyone should find his own best solution, but once established that these filters actually improve contrast and reduce harmful radition, you must choose the most suitable to combine the protection from ultraviolet radiation with optimal light conditions. In my case, for example, light color lenses allow me to see when the sky is cloudy and dark lenses reduce glare.

I use the amber. They help a lot but i have to take them off as soon as i go inside (D.D.S, on Facebook group Retinitis Pigmentosa)

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Sunglasses

After what has been said it seems unnecessary to treat the topic of common sunglasses, since the amber lenses seem to be the optimal choice in terms of protection, but there are some reasons why not everybody likes these gradations.

I own the gray tinted ones. They work best for me coz when it’s sunny, they block out the sunny-ness that hurts my eyes but still allow enough light to let me see. I did try the amber ones and they were alright but settled on the gray ones. (A.H, on Facebook group Retinitis Pigmentosa)

In my case, for example, glasses with orange lenses have a frame not too wrapping and they do not protect me adequately. They are perfect for snow and cloudy days or with a little haze, but they are also expensive, so I try to limit their use. For a boat trip two years ago I bought the best on the market in terms of lenses. 500 euros for polarized lenses with cutoff filter. After less than 20 Nmiles they were already on the sea bed. A few years ago I lost a couple of amber glasses, again on the Ocean shore. Not that I want to please the fish or sharks, offering cool glasses, but since I lose and breake them very easily, even for the very problem of the reduced field of vision that does not allowme to identify obstacles above my head, I decided to buy the much deprecated sunglasses at the market stalls.

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When you buy a pair of cheap sunglasses , often you wave the benefits of a good lens. For example, if your sunglasses offer no UV protection, it increases the exposure to UV rays. The cheap sunglasses block some of the light, causing the opening of the diaphragm to allow access to a bigger amount of light. This will cut down the natural barrier for the eye from UV radiation, increasing the possibility of causing damage to the retina.However, for how little can be reliable awith the CE mark applied on the lens and the confirmation of effective UV protection, it seems that even though they cost 5 or 10 euros that label is a guarantee and make them comparable to hundreds of euros glasses purchased at the optician.Possibly could be the difference in the material of the frame, which can cause allergies and the lens, if they breake they could be harmful to the eye.I certainly do not encourage the purchase of cheap glasses, but at least consider the possibility that the high cost of glasses are not only a commercial gimmick.

If it is true that protecting the eyes should be the most important thing, unfortunately you have to deal with the cost that this disease involves and among he variables of the compromise you have to consider also the money.Any pair of glasses I buy, I always choose plastic frames, metal ones are uncomfortable to wear on your head when you lift them up for a brighter vision.