First Diquafosol approved for treating dry eye in Japan, now soon Rebamipide ( ? )

[RDAC]

http://www.medicalnewstoday.com/articles/207655.php

Otsuka Pharmaceutical Files For Regulatory Approval In Japan For Mucostaź Ophthalmic Suspension For Dry Eye

Lots going on for us in Japan in 2011 ...

[tearless2]

This article says that the new drug is for mucin deficiency. Does anyone know the symptoms or clinical signs of mucin deficiency? How does a doctor test for that?