[Scientific controversy to push the progress of glaucoma practice--inspiration by the debate on the classification of primary angle closure glaucoma].

The highlight in the scope of primary angle closure glaucoma is the new classification and criteria of early diagnosis of the condition. It is the different point of view to the same academic problem that raise the scientific controversy mentioned above. This short paper might offer an insight into the argument background, focus view, and some possible benefit to push the progress in the diagnosis and management of primary angle closure glaucoma.