prescription lenses

Who Needs Vision Lenses?

Vision lenses are needed to treat eye-conditions like near-sightedness, far-sightedness, presbyopia and astigmatism. They can be in the form of spectacles that are worn in front of the eye or in the form of contact lenses that are worn inside the eye, directly on the cornea.

People with any of these conditions are diagnosed and prescribed to wear vision lenses by an optometrist. Each type of vision lens has different components that it focuses on correcting. There are currently two types of lenses that are mostly prescribed by optometrists because they are the most effective ones: single vision lenses and progressive lenses.

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Why Do You Need Lenses?

If you have been facing difficulty in focusing on near or far objects or if at times your vision blurs while focusing on nearby objects, then you may need to visit the optometrist. Also, if you are above the age of 45 or had an injury in the area of or around the eye, it is a good idea to get your eye-sight checked.

If your optometrist has already prescribed corrective vision lenses to you, then your surely need them. These lenses will make your vision better and help lift the strain off your eyes. If your eye-sight is weak that means your eyes are working twice as hard to help you focus on something that you can’t. This in turn, will make them even weaker. So, use corrective lenses and you may even notice that your eye-sight is getting better. People who have used corrective lenses in many cases have reported that their eye-sight was getting better.

Which One to Choose?

The choice of lenses should always depend on the prescription of your optometrist. It is best to take professional advice in such cases because wearing the wrong focal power could damage your eye-sight. As far as the choice between single vision lenses and progressive lenses is concerned, people who are suffering from multiple vision disorder may want to choose progressive lenses.

The Difference Between Single Vision vs. Progressive Lenses (Corrective Lenses)

The biggest difference between both of these corrective lenses is that they both focus on treating different eye conditions. Another difference is in the way the lens is actually manufactured. Here are the major differences between single vision and progressive lenses explained in detail.

Single Vision Lenses

Single vision lenses are those that have the same focal power throughout the lens. They can be used to treat any of the conditions: near-sightedness, far-sightedness or astigmatism. These are the most commonly prescribed lenses and are mostly worn by people under 40 years of age.

Progressive Lenses

Multifocal or progressive lenses are used to treat conditions like presbyopia, which is near-sightedness caused by age. These are multifocal lenses because there is more than one focal power present in the lens. These lenses are made in the form of progressive addition, the focal power increases from the top to bottom. The best part is that they look just like single vision glasses. Unlike bifocal or trifocal glasses they don’t have any definitive line dividing different focal powers.

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