Secretion of meibum by the meibomian glands can be quickly evaluated by applying digital pressure to the upper tarsus.
Each eye is evaluated separately.
|
Digital Pressure
|
Meibum Qualities
|
Grade of Difficulty
|
|
light
|
clear and easily expressed
|
0
|
|
mild
|
cloudy
|
1
|
|
moderate
|
cloudy
|
2
|
|
hard
|
none
|
3
|
