What Color Lens Is Best For Bright Days
Sat, May 07, 22 By : Koalaeye
What Glasses Lens Thickness Should I Choose? In this section, we will show you how to choose glasses lens thickness. Lens thickness will depend on the strength of your prescription, your pupillary distance, the size of the frame and the lens material. Usually, high prescription glasses are thick. If you have moderate nearsightedness, you should choose thinner lenses at the edge thickness of your lenses will be more visible. If your sphere prescription is between -2.50 and -4.00, the lenses...

What Glasses Lens Thickness Should I Choose?

In this section, we will show you how to choose glasses lens thickness. Lens thickness will depend on the strength of your prescription, your pupillary distance, the size of the frame and the lens material. Usually, high prescription glasses are thick.

If you have moderate nearsightedness, you should choose thinner lenses at the edge thickness of your lenses will be more visible. If your sphere prescription is between -2.50 and -4.00, the lenses with a refractive index of 1.6 would be an ideal choice. A lens with a refractive index of 1.67 is suitable for sphere prescription between -4.00 and -6.00, and any prescription over that a lens with a refractive index of 1.74 will be more suitable.

So, when you purchase prescription glasses, consider the glasses’ lens thickness also. If you want to get a pair of prescription glasses online, Koalaeye Optical is recommended. It is an online optical store and provides all kinds of eyeglasses, sunglasses and frames. Besides, these glasses are stylish and cheap. If you purchased, the glasses will be mailed to you with great convenience.


Visionworks Doctors of Optometry

Visionworks Doctors of Optometry is a leading provider of eye care services in the United States, located at the intersection of healthcare and retail. They are committed to providing their customers with a wonderful shopping experience and high-quality products and services with the best value and selection in the industry. All stores of Visionworks provide designer and exclusive branded frames, lenses, sunglasses, and accessories. And they provide leading vision correction technology. Every purchase comes with an unconditional 30-day satisfaction guarantee and free lifetime cleaning and adjustment.



Progressive Lens

Standard progressive lenses are multifocal lenses with three observation areas, farsightedness, intermediate vision, and nearsightedness. Unlike bifocals, there are no visible lines between each viewing area. They have a seamless, invisible design, where the optical power changes 'gradually' throughout the lens. Many people confuse 'bifocal' or 'trifocal' with 'progressive' but remember that bifocals and trifocals have visible lines in the lens, while progressive lenses do not. Because progressive lenses have no lines in the lens, they are more popular multifocal lenses than bifocal lenses.

The main observation area of the progressive lens is a far distance, the smaller area at the bottom of the lens is used for myopia, and the middle area in the middle is smaller. Standard progressive glasses are very suitable for general purpose glasses, focusing on hyperopia activities (such as driving and walking) and sufficient area in the lenses for nearsighted activities (such as reading and computer use). The left and right sides or 'convex corners' of the lens are deliberately blurred to achieve an invisible design. The clearest line of sight in the gradual process is from the center to the top of the lens.


Sunglasses are a type of non-prescription sunglasses.

Sunglasses are popular non-prescription glasses. As a kind of non-prescription glasses, sunglasses can protect your eyes. Many sunglasses filter out ultraviolet lights, which can be harmful to your eyes. Wearing sunglasses can help keep your eyes healthy. Sunglasses have become fashion's flagship products, and countless products can be sold at different prices. The combination of function and fashion has made sunglasses the favorite type of non-prescription eyewear for consumers.



Where to Buy Blue Light Glasses?

As mentioned above, there are many benefits of blue light glasses. You may ask where I can buy blue light glasses. To buy them, Koalaeye Optical is recommended. It is an online store and provides all kinds of eyeglasses, sunglasses, and frames, such as polarized sunglasses, wrap around sunglasses, progressive sunglasses, and so on. So, if you need a pair of blue light blocking glasses, try Koalaeye glasses. What’s more, the glasses will be mailed to you free with your great convenience.


How to Find Reading Glasses Strengths?

With the increase of age, your vision may begin to decrease and this is an inevitable change in your life. So, when you are trying to decipher some smaller prints, you may need the reading glasses.

When your vision begins to decrease, do not worry, this is a normal change. You will find that the deterioration insight often occurs around the age of 40. The technical term for this condition is called presbyopia, a natural, age-related change in the lens of the eye which makes it more difficult to focus on smaller print and close-up objects.

The condition may become worse as you are near 60 years of age, depending on the type of near distance tasks you performing. Of course, you also need to consider the actual situations.



Prescription glasses are more comfortable to wear than other glasses for visually impaired people. For example, there exist bulky protective glasses designed to be worn over existing eyeglasses. There are protective glasses with prescription lenses for the visually impaired, for example. You can consider wearing prescription glasses while driving at night. When driving at night with these glasses, you will feel safer and more comfortable. Even if you feel like you're a skilled, capable driver. Driving glasses can be an investment. But that being said, it's better to invest in night-driving glasses now than to pay the price later.

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