Glasses and contact lenses can make your vision clearer. However, they can be harmful to your eyesight in the long run.
In order to improve your eyesight, you should do eye exercises designed to permanently improve your vision. Such exercises only take about 10 minutes a day and can be very effective if done correctly.
Source: www.correct-vision.com
When his eyesight started failing
for people with poor eyesight...
yes
Wearing glasses does not make your eyes worse. Glasses, contacts, and all corrective lenses will only make your eyesight better, when you wear them as prescribed.
It helps your eyesight because,it has a special glass that makes you focus.
the need for glasses but failure to get some
*Worse No, of course not.
He has bad eyesight.
To correct their eyesight
If you want to
He invented bifocal glasses.
No, you don't. There are opticians with glasses out there.