Nearly one-third of Australians aged 55 or over (or around 1.5 million people) have an untreated cataract. In 2013-14, there were 229,693 hospital admissions for cataract surgeries, making cataracts ...

Cataracts progress through four stages: early, immature, mature, and hypermature. These are each marked by increasing cloudiness of the eye’s lens and worsening vision. Staging helps healthcare ...