Sentence:  It is of utmost importance to the detection of glaucoma in eyes with a pseudonormal but glaucomatous <WSD>minicup</WSD> in the minidiscs, and it is useful to classify and eye with a psedudoglaucomatous but normal large cup in a large disc as normal. 
Meaning of the word marked with <WSD> tags:  A cup (any sense) that is extra small.