Summer is here! Why do you must protect your kids's eyes?

Should we buy sunglasses for youths? And if that's the case, how do we elect quality products?

This is a matter I get quite a bit within the clinic. I answer that it's well to recollect the results of the sun on the health of the eyes, and the way they often work without us realizing it. Exposure to harmful sunlight has increased over the past 25 years, particularly with climate change and changes within the ozone layer.

In considering this, we must first distinguish between sorts of radiation—in other words, the rays emitted by the Sun and people who reach us, the intensity of sunshine and the brightness related to brightness.

Emitted radiation will be regarded as visible light or invisible light that can not be seen by the human eye. It is the latter that's harmful to eye health. These include short rays – ultraviolet rays (UV-0 to 400 nanometer wavelengths) and The longest infrared rays., that are more related to heat and burns. Each of those rays is split into three families: A, B and C.

UVA rays, that are 315 to 400 nanometers, are known for his or her harmful effects related to the event of skin cancer. UVB (280-315 nm) are essentially the most harmful to the structure of the human eye. UVC (0-280 nm) have negligible effects because they're mostly blocked by the ozone layer when it's in good condition.

Infrared rays, then again, The retina is at risk..

Children in danger

The damage to our body tissues can be proportional to the period of time we spend within the sun throughout our lives. In principle, children are those who spend essentially the most time outdoors and the cumulative dose of sun exposure is highest between birth and 16 years of age. This means they're most in danger today.

The amount of sunlight absorbed also is determined by where you reside and the time of day you're exposed. We get more sunlight near the equator than north or south. Radiation can be more direct.

The same principle applies to the time of day. One might think that the utmost radiation occurs within the afternoon, when the sun is at its peak. But solar damage, at the least to the eyes, is definitely greater within the morning and afternoon, when the sun is sort of at an angle. 30 degrees to 40 degrees For example, in Quebec, risk is highest through the summer between 9am and 10am, then between 3:30pm and 5pm.

Harmful reflections.

Reflections can significantly increase harmful radiation. The surface of water reminiscent of a lake or river, sand, white matter reminiscent of snow, wall covering or metal are all mirrors that amplify and focus solar rays.

Snow blindnesswhich occurs when the attention is exposed to radiation on a snowy or icy surface for too long, is an example. UVA rays that accumulate in the lens promote the development of cataracts..

Minor abnormalities of the bulbar conjunctiva – the white of the attention – are also possible. Pingueculas are benign but are palpable as small bumps., sometimes becomes vascular, causing the eyes to develop into chronically red. Pterygium is more harmful. This is a membrane that attacks and stretches the cornea, which may reduce vision. In advanced cases, it requires surgery.

If UV rays reach the retina, they may cause damage that may occur. Contribution to the development of macular degeneration. Everyone knows the results of a solar eclipse – should you watch it without protection Infrared rays can then burn the retina.often irreplaceable.

However, don't let your guard down on cloudy, humid days. They also pose an increased risk. Clouds don't block harmful rays and even water particles act as mirrors. As a result, the danger of radiation and glare increases.

Glare is the intensity of sunshine perceived by the attention and tolerance to glare varies from individual to individual. This is determined by the quantity of retinal pigments they've inherited. People with dark eyes and skin have more pigment than individuals with blonde hair and blue eyes. The latter will cause his eyes to squint more when exposed to medium-intensity light and require the protection of a dark filter.

Abstract, The sun emits harmful rays 365 days a year.It doesn't matter if it's cloudy or rainy. The damage caused is proportional to the quantity of exposure and youngsters must be absolutely protected. If they're too exposed and unprotected, they will probably be amongst those that will develop cataracts at an earlier age, between the ages of 55 and 65, and are liable to developing eyelid skin cancer, which stays the identical. are more delicate than The skin

How can we protect ourselves?

There are ways to guard yourself. Wearing a cap or hat helps limit exposure. Because it just isn't completely effective, it's also obligatory to make use of sunglasses, which can be found in glasses and speak to lenses. A mix of the 2 is even higher.

Sunglasses must be of fine quality. In other words, lenses, which are sometimes molded, don't have any effective power and don't produce distortion.

Maximum protection is vital and a 100% UV or UV 400 label is standard. Avoid UV 100 — without the proportion at the top — or other denominations. It is very important to notice that UV filters are invisible and the standard of protection has nothing to do with color. They will also be added to prescription lenses for individuals who need to wear glasses every day.

Finally, the frame must be curved and leave no space between the bezel and the attention. Otherwise, the window protects against direct radiation, but all rays that come from the edges and even from the back reach the attention. Then the damage will be even greater. This is since the pupil under the sunscreen is less brilliant, allowing more harmful rays to enter the attention.

The shade is chosen based on the activity and visual needs. Gray or green are perceptually normal and neutral. Brown and amber are great for driving. Pink/violet enhances the contrast of golf greens. Options will also be added, reminiscent of polarization, which may reduce glare by at the least 50 percent, making it ideal for those working on water, snow or reflective surfaces.

The quality of the lens just isn't proportional to the value paid. However, generally, a good-quality, break-resistant frame, which is particularly good for kids, and with suitable eyeglass lenses won't be low-cost.

Optometrists and ophthalmologists must be consulted if protective contact lenses are for use. For energetic wearers, there are several lens brands that already provide adequate UV protection. A number one company has also just launched the primary photochromic contact lens, which tints when exposed to the sun.

A mix of contact lenses and sunglasses is best and ideal. The lens covers the complete cornea and pupil, in addition to the white a part of the attention, blocking the sun's rays. In addition to blocking the sun that reaches the eyes directly, the lens also protects the edges. Sunglasses also provide full UV protection, reduce glare and shade selection ensures patient comfort.

Anyone who goes out or works within the sun must also consider applying sunscreen – and then you definitely're ready for summer!