Things you should know about Bifocal lenses

Having on a glasses is a trouble with quite a few people who have eyesight disorder. Particularly, with the individuals having many different eye errors. A person can have both presbyopia and myopia. They must modify the forms of glasses depending on their vision adjustment function. However, there is a terrific choice for these people, that is utilizing bifocal lenses.

Talking about about bifocal lenses, we cannot forget the name "Benjamin Franklin", who invented the bifocal lenses in the process using and adjusting glasses.

Bifocal lenese is a sort of lens including two parts, the lower part will function to correct myopia and the upper portion can correct the presbyopia.

When the eye change the eye sight from near to far, they will see through distinct part of the lens and it will help the wearer see clearly both close and distance objects.

Some positive aspects of bifocal lenses

They can help the wearer get rid of the need to switch back and forth between two pairs of glasses

Bifocal lenses with protective can help protect the eyes from sunlight rays and dirt from the air.

Because the wearer needs one pair of prescription glasses instead of two, bifocals can be very cost effective.


Although bifocal lenses are really useful and have many benefits for the wearer but we should keep in mind some negatives:

- As the lens adjust between distance and near, you may have difficulty adapting to the way that the contact lens works.

- You may have difficulty in the moving actions such as driving, playing sport. On account of the bifocal lenses having two separate prescriptions, it may creat difficulty with your depth perception.

- Only a few contact lens wearers are candidates for bifocal contact lenses

- Eyestrain can happen when you attempt to refocus your perspective while using the bifocal contact lenses. The possible complications are headaches and scratchy in the eyes