Ahead of the London 2012 Paralympic Sailing Competition sailors who have a vision impairment are tested by IPC vision classifiers with correspondence between IFDS to ensure the correct classification is assigned.
There are varying degrees of visual impairment and athletes are tested on their visual acuity and depending on the type of vision they possess they are classified accordingly.
The schedule for those who need to be classified is available here.
The Rio 2016 One Person Dinghy (Laser) fleet will welcome a bumper 46 boats, making it the largest fleet at the Olympic Games.
Laser sailing will see some of the closest, compact racing of any of the Olympic fleets with each sailor receiving a supplied boat, ensuring an even playing field. With races scheduled for inside and outside Guanabara Bay, it will see the best all-round sailor conquer.
The Men's RS:X requires sublime physicality and tactical awareness to beat your opponents. Men's RS:X racing at the Rio 2016 Olympic Sailing Competition commences at 13:00 local time on Monday 8 August.