Video cameras and infrared lights are being used to record and analyse pupil responses to test for early stages of age-related macular degeneration.
Researchers from Australia’s Vision Centre and Australian National University have discovered many people with macular degeneration can see fine central details but other parts of their vision may be damaged.
Current testing only detects damage in the central vision track by examining dying patches of the retina or abnormal blood vessel growth.
Researchers hope the new tests will help detect early-onset macular degeneration and prevent the loss of central vision.
Read more at Australian National University, Australia's Vision Centre