The Canadian Paralympic Committee defined this classification as "Up to approximately 3-5% functional vision."

Patients may recover functional vision in days to weeks, as opposed to up to a year with full thickness transplants.

He is classified B3 (under 10% functional vision), and compete in classification category visually impaired.

They must also have fully functional vision and even horns (which have not been tampered with) and be in generally good condition.

She has no functional vision in her right eye and only half sight in her left eye.

In all three clinical trials, patients recovered functional vision without apparent side-effects.

The high price of what is usually called access technology would prevent people with functional vision from buying this device because less expensive devices with screens already exist.

The child's functional vision, that is the way in which sight is used in day-to-day school activities, must be assessed in addition to clinical information.

Barraga (1976) offers a useful definition of functional vision in the following terms:

It can be helpful to check the environment and materials used in the classroom in terms of the functional vision of the pupils.