Dark glasses or nonprescription glasses with tinted lenses are not acceptable unless you need them for medical reasons. A medical certificate may be required.

Option 1 ? choose from our extensive range of "true sunglasses frames". These can either be ordered as plain sunglasses with non-prescription lenses OR you can chose to add prescription lenses at an additional cost of £25 for a standard tint with uv400 coating or £35 for a graduated tint with uv400 coating. We do offer different levels of tint (LTFs) ? see below for more details on these.

Sunglasses are the favorite "necessary accessory" worn by drivers to reduce glare and increase comfort during driving. Under bright conditions sunglasses are very helpful to drivers to reduce the brightness and glare, thereby allowing better vision under those driving conditions.

Sunglasses should not be worn at night. They are not meant to be worn after dark. "Sun" glasses are for daytime use. The SAA recommends against wearing sunglasses during night driving. So-called night driving glasses are generally amber tinted eyewear meant to reduce the glare of oncoming headlights. While they may make the driver feel more comfortable, they also reduce the wearers visibility of the darker portions of the roadway.

Yes, we offer lenses which react to light called photochromics and lenses with a permanent tint, if you want prescription sunglasses. Photochromic lenses react to UV-light, so they darken in the sunlight and fade when indoors. They are not suitable for driving, as windscreens absorb the UV-light that makes the photochromic work. They are ideal if you want to combine sunglasses with ordinary glasses. Our tint is a dark 80% density sunglass tint,.

Ans. The glass of windscreen and rear window of every motor vehicle shall be maintained in such a way that visual transmission of light is not less than 70% and side windows shall be maintained in such a way that visual transmission of light is not less than 50% and shall confirm to Indian Standards.

We offer a variety of colour tints with standard 15-20% light transmission as well as "transition" photosensitive glasses which are clear in normal lighting conditions, but tint under sunlight and include 100% UV filter. We also offer anti-reflective coatings which reduce the amount of light reaching the eye, ideal for driving and computer work. We also offer UV 400 protective coatings which help protect eyes from the harmful effects of the sun.

Yes When ordering your glasses you will be offered the opportunity to select various tints and coating options.

Technically yes, The lens is called Transitions or photo-chromic. These lenses will react to ultraviolet light and turn sunglass dark in the direct sunlight. The catcher to this is direct sunlight. Typically people like sunglasses when they are driving and an automobile windshield absorbs a majority of the ultraviolet light needed to make these glasses get dark.

Celebrity Glasses/Sunglasses are Designer Inspired Sunglasses. They are not originals. The inspired sunglasses that we carry represent sunglasses that have retail prices from $100-$350 and more. As you can imagine original Celebrity Designer Sunglasses are VERY expensive and are just not affordable to the average person. So we decided to find an alternative for everyone to be able to wear the great style that celebrities wear without having to fork up a car payment to do it.

Answer: We recommend that you bring or purchase a strap in our Retail store to help secure your glasses during park use. However, despite the use of such devices there is still a chance that your glasses may be dislodged during use of the Rides/Attractions. Castaway Cove will not be responsible for any damage to or loss of eyewear.

In our view, children should be free to wear the glasses if they find it helpful to do so, but not encouraged to wear them if they would not otherwise do so. The response to colour is subjective and individual, and the wearer is the best person to judge whether there is any benefit. In our opinion, overlays can be used regardless of any simultaneous eye exercises or medical treatment.

Your glasses can be made with the "Transition" or “Sunsensors” photosensitive features. These types of lenses are clear in normal lighting conditions, but tint themselves under sunlight and include a 100% UV filter. These types of lenses can be fitted to any of the frames in our range or any of the designer brand sunglasses which we stock . These options can be specified when ordering after you have selected your frame.

Yes. We have numerous colours and tints available. We also offer photosensitive ‘transition’ lenses. These lenses are clear in normal lighting conditions, but acquire a tint under bright light. These options are available in the ordering process. We also offer Anti Reflection (AR) coatings, Scratch Resistant/Hard Coatings, UV Coatings and sunglasses tints.

Polarized lenses are able to block not only direct glare, but also indirect glare which bounces off water or the roadway while driving. Regular tinted lenses do not offer this.

There is evidence that sunlight exposure plays a role in certain eye diseases, such as cataract, macular degeneration, and eyelid cancer. It is a good idea to wear sunglasses with protection against ultraviolet light. Patients with or at risk for macular degeneration may also benefit from lenses which block blue wavelengths, such as yellow or amber lenses.

Standard pinhole lenses consist of little holes and provide no UV protection and should never be used bright/direct sunlight.

b) A spare pair of glasses (made from a prescription less than 2 years old). For this option please click here here to download an order form and then order by post. There is a £10.00 charge for this option which covers the cost of reading your prescription from your existing glasses. By law your optician has to provide you with a copy of your prescription. You are not obliged to buy your glasses from your optician, who in turn must not imply that you should.

People who are entering mid-life and are interested in monovision should discuss the matter with their doctor prior to undergoing refractive surgery. Should they choose monovision and subsequently become unhappy with it, a PRK enhancement surgery is an option.

The Snore Ender™ can be worn either on the upper arm or forearm. This allows you to sleep as you would normally, unlike many other cumbersome snoring devices that get in the way of your normal sleeping positions and movements.

MalleoLoc can be worn against the skin or with socks, depending on your preference. Most people prefer wearing a sock under the orthosis.

Yes. There is no right or left version. The incorporated viscoelastic inserts provide compression and massage on both the lateral (outside) and medial (inside) parts of the forearm.

Insect-o-Cutor fly screens are robust and are made to last. In fact, we guarantee fly screens for 5 years - but they should last many years beyond that. Just like any other part of a building. they may require some maintenance - this largely depends on the environment they are in. For a modest annual fee, we can come along once a year and inspect your fly screens, replacing any worn parts. These parts and the labour would be covered by your annual fee.

We strongly suggest that you bring at least an extra months supply of whatever medications you take, along with an extra pair of glasses/contacts or a prescription for your glasses/contacts. You also should bring a letter and a prescription from your doctor. Also, remember, Florence is high in pollen content. So bring over the counter allergy medicine, even if you do not normally have any allergies. Students in the past who generally do not have this type of problem, encountered it in Florence.

restore your focus to normal, minimizing your dependence on glasses. Most people need some form of glasses, if only to read.

Sunglasses are regulated by the Food and Drug Administration (FDA) as medical devices. Domestic manufacturers and importers of sunglasses must register with the FDA, and are subject to numerous reporting requirements and good manufacturing practice inspections. The lenses must be impact resistant (not shatterproof) and the frames must be non-flammable.

Sunglasses that markedly reduce the UV-exposure of the eyes will reduce UV damage, such as cataracts. The best protection is achieved by a combination of UV-absorbing glasses and a shielding against light coming into the eyes from the sides. However, some sunglasses may not effectively block UV radiation and eye damage may occur.

Yes, all our sunglasses come with our own 1 year manufacturers warranty that covers defects in material and workmanship!

UV radiation from the sun can cause irreversible eye damage and can contribute to the development of skin cancer on the eyelid and on the surface of the eye.