Tennis: Junior player Arato Katsuda-Green

Tennis: Junior player Arato Katsuda-Green

Arato Katsuda-Green, an Australia-based 11-year-old Japanese tennis player diagnosed with a rare genetic eye condition called Stargardt's disease, poses for a photo at a practice court in Sydney on Aug. 9, 2023.

Tennis: Junior player Arato Katsuda-Green

Tennis: Junior player Arato Katsuda-Green

Arato Katsuda-Green, an Australia-based 11-year-old Japanese tennis player diagnosed with a rare genetic eye condition called Stargardt's disease, chases a bell-ringing ball during practice in Sydney on Aug. 9, 2023.

Mckeever wins men's 20-km cross-country visually impaired

Mckeever wins men's 20-km cross-country visually impaired

WHISTLER, Canada - Canada's Brian Mckeever (L) celebrates with his guide and brother Robin Mckeever after winning the men's 20-kilometer cross-country visually impaired race at the Paralympic Winter Games at Whistler Olympic Park in Whistler, north of Vancouver, on March 15, 2010. Mckeever, who suffers from Stargardt's disease, had been named to both the Paralympic and Olympic teams, but could not make the final selection to compete in the Olympics.

Mckeever wins men's 20-km cross-country visually impaired

Mckeever wins men's 20-km cross-country visually impaired

WHISTLER, Canada - Canada's Brian Mckeever (L) celebrates with his guide and brother Robin Mckeever after winning the men's 20-kilometer cross-country visually impaired race at the Paralympic Winter Games at Whistler Olympic Park in Whistler, north of Vancouver, on March 15, 2010. Mckeever, who suffers from Stargardt's disease, had been named to both the Paralympic and Olympic teams, but could not make the final selection to compete in the Olympics. (Kyodo)