Table 1

Recruitment criteria

Inclusion criteriaExclusion criteria
Glaucoma suspectsUnstable glaucoma
Stable:Other glaucomas:
 Primary open angle glaucoma Normal tension glaucoma
 Pigment dispersion glaucoma Secondary glaucoma
 Pseudoexfoliative glaucoma Narrow angle glaucoma
Informed consentOther coexisting ocular pathology
Ability to cooperate with examinationExtensive visual field loss
Snellen visual acuity of 6/18 or better inboth eyesBest corrected visual acuity in either eye worse than 6/18
Aged 50 years and overAge less than 50 years
  • Stable defined as no observable change in the indiviudal’s visual field within the last year of follow up.

  • Extensive visual field loss defined as loss greater than 66/132 points missed on the threshold related suprathreshold examination with the Henson CFA3000.