The human eye has been an integral part of mythology - the third eye of Lord Shiva or the Ra in Egyptian mythology . Almost 80% of our learning comes through vision. It is nothing short of a small wonder that our eyes are able to sense 10 million gradations in light and seven million shades of colour.
The importance of occupational visual performance is progressively becoming a critical part in the modern workplace with multiple visual displays. Ocular or visual disturbances and disorde.