Originally Posted by Knotlob

Just checked the one my son uses. The present one has no suction hole so presumably you wet the end of it and it grips the contact lens by surface tension.

The one he normally uses does have a suction hole and you squeeze the rubber handle and then put in contact with lens, release the suction grip - which forces the lens to stick to the tool and removes said lens from the eye.

The second type works better than the one without the suction hole.

knotlob