Fig. 1

Meibomian gland dropout scoring. After infrared meibography, meibomian gland dropout in the central 8 meibomian glands of the eyelid was scored (meiboscore), as follows. For the central 8 meibomian glands of the eyelid: score 0, no dropout; score 1, less than one-third dropout; score 2, more than one-third dropout, but less than two-thirds dropout; and score 3, more than two-thirds dropout