*Worse
No, of course not.
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.
If you do not need them, using glasses will cause eye strain and that can lead to problems with ones eyesight.
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...
It helps your eyesight because,it has a special glass that makes you focus.
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
the need for glasses but failure to get some
He has bad eyesight.
To correct their eyesight
He invented bifocal glasses.
No, you don't. There are opticians with glasses out there.