Journal
notes from the clinic
Notes from the clinic on screen habits, children's reading distance, and drier winter offices. Each one says how we measure. None of them is a personal result.
-

The 20-20-20 habit, measured
The 20-20-20 habit is a timed look into the distance, and at Hitomi Vision it is added only after working distance, refraction, and the tear film have been measured.