Contact Lenses: What is contact lenses?

Contact lenses worn backwards may cause blurred vision, shaking sensation, foreign body sensation, etc.

1, blurred vision

If the contact lenses are worn backwards, because the refractive power of the two eyes is not the same, wearing backwards is easy to cause blurred vision, eye fatigue and other symptoms.

2, shaking sensation

If the contact lenses are worn backwards, due to bending radian does not fit, the contact lenses can not close to the cornea, easy to make contact lenses slide, appear shaking sensation.

3, foreign body sensation

Because the contact lenses are worn backwards, can not fit perfectly with the cornea, easy to stimulate the eyes, leading to foreign body sensation in the eyes, may appear tears, redness and other symptoms.