The eye is a complex and fragile structure. Its various components are susceptible to disease, disability and ageing. Research funded by National Eye Research Centre seeks to find cures and treatments for these conditions so that sight can be restored or retained for as long as possible.
You may find this You Tube clip which explains the basic structure of a normal eye useful. However, there is an error in this clip,please note that the posterior chamber is not the cavity filed with vitreous humour; that is the vitreous body. The posterior chamber is the small space between the iris and the lens.