GEORGE TOWN, March 22 -- When Darren Yuen Wai Keong was told that he will be gradually losing his sight due to a rare condition at the age of 16, he thought it meant he would have to change his lifestyle to do more indoor activities.

However, Yuen loved Nature and the outdoors so despite losing his mid-peripheral and far peripheral vision, he continued to lead an active lifestyle participating in various sports and activities.

The 46-year-old joined guided runs with his friends as his guides and he went on hikes, again with his friends as guides.

Back in 2016, he even joined an expedition to climb Gunung Api in Mulu, Sarawak.

"That was a nightmare experience, I fell down a lot and it gave me such a shock that I was put off hiking for ...