How to Choose Eyeglass Lenses

The glasses of today are not only those that have vision correction but also fashion accessories that relate to your personality. Consumers now seek the appearance or the look of the frame with the functionality of the glasses lenses. In addition, aspects like durability, weight, and the degree to which it will be used may also influence a decision. This guide will help you identify lens options, materials, and features to fit the desirable lens on your newly bought frame. Let us take you through the bare-bone information that will completely revolutionize your outlook!

Understanding Your Prescription

It is a very significant stage when selecting the appropriate eyeglass lenses. Eyeglasses prescription includes terms you need to know and effectively understand. These elements are:

• Sphere (SPH): This number is the power of the lens required to restore the visionto normal previously lost by the lens. It is expressed in diopters (D), which defines the degree of your myopia or hyperopia. Here's what it means:
  • Negative Values (-): If your number is negative, myopia is present. Myopia is your attribute if you are nearsighted. Near objects are clearly seen, while distant objects are leveled off and hazy. The smaller these figures are, the more powerful contact lenses or spectacles are required for distance vision.
  • Positive Values (+):If it is a plus, you are hyperopic or farsighted. This means that if you can see distant objects distinctly, objects closer to you seem blurry. As the positive sign increases, the amount of correction or change to your nearsightedness with the lens power will be higher.
• Cylinder (CYL):This figure gives the correction necessary to remove the astigmatism Astigmatism is when the cornea, the clear, rounded front part of your eye, is not precisely the right shape. The cylinder value indicates how much this uneven cornea curvature must be fixed by lens power.
• Axis:This number determines the position of the astigmatism correction measured in degrees from 0 to 180.
• Add:This number informs the customer of how much more power is required for near-work scenarios.

Putting It All Together

Your eyeglass prescription might look something like this:

Types Of Eyeglass Lenses

• Single-Vision Lenses:Single vision glasses have the same fused vision and can be prescribed for only one of the fields of vision: farsightedness or nearsightedness. They are most appropriate for people with nearsightedness, farsightedness, or astigmatism.
• Bifocal Lenses: Bifocal glasses include two distinct lines incorporated into a single frame. The upper part of the lens corrects distance vision, while the lower part is a reading glass.
• Trifocal Lenses:These lenses have three zones for correcting or focusing vision: farsighted, middle-sighted, or near-sighted.
• Progressive Lenses:Progressive glasses do not have lines on the lens in front of the eyes, so they do not look like bifocal glasses or trifocal lenses. There are no marked breaks between the two visions; thus, there is a smooth transition between them.
• Computer Lenses:These lenses are for those who spend considerable time on a computer screen. These blue light glasses make the ratio of the wavelengths of light in the intermediate and near zones to obtain a comfortable vision.

Lens Materials

The kind of lens material that has been used to design your eyeglasses is very crucial regarding their weight, durability, and sight power. Knowledge of these materials will assist you in arriving at a sound decision regarding your lenses. Here are some common lens materials:

• Glass Lenses:Glass lenses are optically superior in quality but are very heavy and fragile, so they are easily broken. Glass of this kind is not common today since lightweight and impact-resistant glasses
• Plastic (CR-39) Lenses:These lenses are lightweight and, in most cases, display sound optical transmission, brightness, and clarity. However, they are cheaper than the other stated materials but can easily get scratched without the correct coating.
• Polycarbonate Lenses:Sports and other children’s glasses are made from polycarbonate since they are strong and manufactured for kid’s use. It also contains capabilities of UV protection.
• Trivex Lenses:Trivex is another lens material that shares certain features with polycarbonate. However, the quality of vision and weight of Trivex lenses are higher than those of polycarbonate lenses.
• High-Index Lenses:High-index lenses are thinner and lighter than regular plastic lenses, which is excellent for proper vision. These glasses serve a dual purpose, offering better convenience and aesthetics in one go.

Lens Coatings

The lens coatings improve the functionality and durability of the eyeglass lenses. The following are some of the popular eyeglass lens options:

• Anti-Reflective (AR) Coating: AR coating can minimize the glare of lights and other electronic screen devices, thus easing vision and relieving eye strain. It can be beneficial, especially when driving at night or spending much time on the computer.
• Scratch-Resistant Coating:The lens is covered with a scratch-resistant coat to minimize the chances of being scratched while in use, which can make it last longer. No lens can be described as scratch-proof; however, this layer significantly increases the scratch protection of the lens.
• UV Protection Coating:UV coating for eyeglasses helps safeguard the eyes and does not cause issues such as cataracts. This protection is already integrated into most polycarbonate and high-index lenses.
• Blue Light Filtering Coating:To a certain extent, the anti-blue-ray lens layer helps minimize the blue-rays coming from digital devices, hence reducing eye strain and providing more comfort while using them.
• Photochromic Coating: Photochromic glasses are much lighter sunglasses that do not need to switch to outside glasses or low UV light inside. They are available in different materials, such as Plastic, Polycarbonate, and High-Index Lenses.

Implementation Of The Right Lenses, Based On The Lifestyle

Age, sex, lifestyle, daily activities, and mobility are also helpful in choosing the right glasses for a person. Let us introduce you to the right glasses for your everyday life.

• Active Lifestyle:For every sporting event, including any physical activity, it’s wise and advisable to use prescribed polycarbonate or Trivex lenses because of their impact resistance and relatively lightweight. They are categorized as protective structures and ideal for any age.
• Office and Computer Use:Eyeglasses with anti-blue filters are handy for anyone using a computer. These options help reduce digital eye strain and make vision more comfortable.
• Driving: Anti-reflective coatings are valuable for night drivers since they reduce glare from light that bounces off. They also eliminate glare from headlights and street lamps, giving better vision and less highway risk.
• Fashion and Aesthetics:Multifocal lenses are recommended, especially when one has strong prescription lenses and wants slimmer and more attractive eyeglasses. They also help anyone who wants to move from one vision zone to another but would prefer to avoid sharp discrimination of the lines.
• Sun Protection:People who move indoors, outdoors, and vice versa will most often benefit significantly from photochromic lenses. They protect from UV rays instead of carrying a separate pair of sunglasses.

Tips That Will Enable You To Care For Your Glasses Lenses In The Most Proficient Way

These are guidelines on eyeglasses and lens care while at the same time helping one to have a good sight. Here are some dos and don’ts concerning long-term utilization of glasses:

• Clean Regularly: Wipe the lenses with a soft microfiber cloth and a cleaner solution. If not available, use water and mild soap. DO NOT wipe them with paper; DO NOT wear clothes on them. They scratch easily.
• Store Properly:When not in use, place them in a hard case so they won’t be scratched or damaged. DO NOT place them lens-side down on the tables stacked one over the other.
• Handle with Care:When putting on glasses, DO NOT turn them using one hand or put them on the head since this is likely to harm the eyeglasses frames. Avoid placing them in hot water or freezes because they can stain the lenses and fade or damage some coatings.
• Schedule Regular Eye Exams:You are supposed to visit the eye doctor at least once a year to examine whether your prescription has changed. This also helps detect any eye complications promptly.

Final Words

Choosing the appropriate eyeglass lenses is a significant action that influences everyone’s life. A good prescription can be made if one knows what his/her prescription entails, the type and material of lenses required, the lens coatings available, and if they suit their lifestyle. Accurate consultations with Lakoh and following the procedures contribute to attaining a sustainable and comfortable vision. To set up the correct type of eyeglass lenses, whether for daily use, sports, computer use, or fashion, contact Lakoh for the required knowledge.