What can be done in case of difficulties in getting used to focusing on the lamp?
Sit further away from the lamp, beyond the 1.50 meters (5 feet) recommended by Dr Lefebure. Tilt the lamp slightly towards the ground. Finally, for persons with extreme sensitivity to light, put a white cloth in front of the lamp until your eyes get stronger through training. You can also use a weaker light bulb (60 watts, for example), sit further away from the lamp or focus on it for shorter periods of time. It is also possible to use the natural light bulb (ref: A08). Its very soft light is perfectly adapted to “sensitive” persons.