The increasing use of digital devices has made many people prone to visual-related issues like eyestrain. For relief, many look to lens technology to improve their sight. 

Lens technology involves researching, designing, and manufacturing lenses that improve the quality of vision. The lenses can be silicone, glass, or plastic. They have different shapes and sizes to fit various eyeglass frames. Lens technology has advanced in many ways, producing modern lenses that are more sophisticated with each new release.

Correcting Refractive Errors

Refractive errors affect millions of people worldwide. Most people know the errors as nearsightedness, farsightedness, or astigmatism. The errors affect how light enters the eye, leading to blurred and distorted vision.

Lenses help correct refractive errors by redirecting the light that enters the eye. They adjust the shape of the lens, bending light in the correct direction. For example, nearsightedness needs denser lenses at the edges and thinner ones in the center. People with farsightedness need lenses thicker in the middle and thinner at the edges.

Improving Contrast Sensitivity

Contrast sensitivity is the capability to distinguish between different shades of gray. It helps in low-light conditions where the contrast between objects is low. People with this problem have a hard time reading in dimly lit environments or distinguishing between things similar in color.

Lenses can increase the light entering the eye to improve contrast sensitivity. It happens by widening the pupil or using lenses that let in more light. For example, there are lenses with a yellow tint that blocks out blue light to improve contrast sensitivity in low-light conditions.

Reducing Glare

Glare is a problem that affects many when driving at night or using the computer for an extended period. It occurs when light shines off a shiny surface, such as the surface of the road or a computer screen. 

It can be distracting and make it difficult to see. Lenses can block out specific wavelengths of light and reduce glare. They do so using antireflective coatings, polarized lenses, or photochromatic lenses. Polarized lenses filter out light reflected off shiny surfaces, while photochromatic lenses darken in bright light to reduce glare. 

Treating Eye Conditions

Lenses can help treat specific eye conditions. For example, individuals with cataracts can benefit from intraocular lenses that replace the clouded natural lens. These lenses improve vision and reduce the need for glasses or contact lenses. People with astigmatism benefit from toric lenses, which correct irregularly shaped cornea.

Enhancing Comfort

Wearing glasses can sometimes be uncomfortable, especially if they are heavy or do not fit correctly. Lenses help enhance comfort by using lightweight materials like polycarbonate. Lenses can enhance comfort by reducing eyestrain. 

Spending long hours staring at computer screens can lead to eyestrain and discomfort. Lenses can reduce the amount of light entering the eye, too much of which causes eyestrain. Some lenses have a slight magnification that lessens the need to strain the eye to focus on small text.

For more about lens technology, visit Specs Appeal in St. George or Little Valley, Utah, or Mesquite, Nevada. Call (435) 216-7059, (435) 628-1112, or (702) 346-2950 to book an appointment today.