Welcome to learning about the visual system and vision impairment. This is one in a series of online courses especially developed for technicians in Vision and Hearing Screening.
The learning material on this ilearn site covers the unit standard:
24895 - Describe the visual system and vision impairment 5 credits Look before you leap!
Look before you leap!
Take the time to go through the following sections before starting on the. Read the sections and make notes as you go.