When vision or the viewing field is measured with this color-viewing function measuring means (1), vision and viewing field can be accurately measured for different colors.

Stimulation apparatus for improving the vision of persons suffering from eye trouble.

There are impure vision, the vision of experience, and pure vision.

The first ophthalmic lens is biased for distance vision and the second ophthalmic lens is biased for intermediate vision.

Dissolve your whole body into Vision: become seeing, seeing, seeing!

The device can keep, with the movement, a field of view (128) of the local view fixed but the local view otherwise in synchrony with the position and the direction.

Dissolve your whole body into Vision: become seeing, seeing, seeing!

Dissolve your whole body into Vision: become seeing, seeing, seeing!

vision changes (e.g., double vision, blurred vision)

The contact lens provided as said above allows vision problems concerning both far range vision and near range vision, in miopic or hypermetropic subjects, to be simultaneously corrected.

A handheld vision tester and a method of self- testing vision of a user of the handheld vision tester are provided.

Disturbances in vision: the vision becomes blurred, the vision doubles.

The teaching on cause and effect has two parts: the illusory vision and the karmic vision.

Embedded Vision: Can Embedded Vision revolutionise imaging and machine vision?

problems with eyesight, including decreased vision, double vision or total loss of vision;