What is prismatic eyeglasses?

[Sage Eyeglasses]

Do you know what is prism? What does it do to my vision? How can one correct it? What is prismatic eyeglasses?

[Giancarlo Eyeglasses]

Prismatic eyeglasses or prism in eyeglasses is used for double vision or positional correct. A person with prism sees double images or two individual images using both eyes instead of one image where most people see. Other people with prism only see one image but is blurry. Correctional prism eyeglasses can get this fixed and help you see one clear image.