What is Presbyopia?
When a person can see near but not far.
When a person can see far but not near.
When a person needs bifocals.

	How do traditional eyeglasses work?
Eyeglass lenses help focus images on your retinas.
Eyeglass lenses help focus images on your corneas.
Eyeglass lenses help focus images on your optic nerve.

	How could glasses auto-focus?
The lenses will morph according to how much light activates its sensors.
Computer programmed electroactive materials on the lenses will bend incoming light.
A chip implanted in the cornea will send signals so the lenses will change shape accordingly.

	Do you wear glasses or contact lenses?
Yes.
No
Not sure.