The Unit was also fortunate in attracting many visiting workers such as Professor Alan Bird from Moorfields Eye Hospital in London led a team of ophthalmologists to document the evolution of retinal disease .
London for 20 years .
The Unit was also fortunate in attracting many visiting workers such as Professor Alan Bird from Moorfields Eye Hospital in London , who for 20 years , led a team of ophthalmologists to document the evolution of retinal disease .