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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Arch Ophthalmol. 2009 Sep;127(9):1136–1145. doi: 10.1001/archophthalmol.2009.187

Table 1.

Criteria for Classification of Participants for Analyses Shown in Subsequent Tables

Diagnostic Category IOP < 22 mm Hga Photo Grade SAP Visual Field Test Result
Normal (recruited or referred as normal) Yes and no IOP-lowering medications AND Normal AND Normal
Suspect by source (referred as patient) Yes and no IOP-lowering medications AND Normal AND Normal
Ocular hypertension No or taking IOP-lowering medications AND Normal AND Normal
Abnormal visual field test result only NA AND Normal AND Glaucomatous (repeatable)
Glaucomatous optic neuropathy only NA OR Glaucomatous AND Normal
Abnormal visual field test result and glaucomatous optic neuropathy NA AND Glaucomatous AND Glaucomatous (repeatable)

Abbreviations: IOP, intraocular pressure; NA, not applicable; SAP, standard automated perimetry.

a

Intraocular pressure 22 mm Hg or higher measured as such on baseline ocular examination or documented history of such.