Well, yes, squinting can affect your eye sight and even can make your eye sight become worse. According to some experts, squinting can cause many problems in long term. For example, it can cause headache, the dry eyes, dark circles under your eyes, even the vision sight. Also, Squinting can make your eyes' muscle become stressed; leading to eye stress and then eye pain, even headache can be possible. At this moment, some exercises which can strengthen your eye muscles will be effective.
It's true. You must have known that squinting eyes because of eye sight problems. A person who does not have good, clear vision may need to squint in order to see a little better. When foreign matter enter eyes may also cause squinting. Photophobia, a condition known as being afraid of light, which has a most common symptom- sensitive to light. These people take risk of getting squinting eyes because of bright lights or sunlight causes painful eyes. Then they always try to close part of eyes to prevent them from entering eyes. Squinting does really help changing eye sight, but only a little. Someone always look something through squinting, then eye shape will change gradually day by day. Finally, the light and signals cannot be shown in a complete way and correct direction. So your eyes can receive complete images and light day by day until your eyes lose vision. However, it's not the only reason, the other important factor is that your nervers will be wrong during to pressure and changeable blood vessels.
The squinting will make your eyesight become worse. The squinting will make you keep the habit of seeing things in not the straight line which will make your peripheral and focused sight decrease. You should use the concentrated method to improve the squinting side. You need to have the good rest for the eyes, not seeing things too much time.