Relationship between vascular geometry with the incidence or progression of glaucoma
| Study and year | Study type | Follow-up duration | Sample size | Method of assessment | Outcome | Changes in parameters in association with glaucoma | |
| Arteriolar calibre | Venular calibre | ||||||
| Lee et al
102 (2014) | Hospital-based, prospective study | 24.3 months | NTG: 27 | IVAN | Progression of glaucoma: 27 | Reduced | Not significant |
| Kawasaki et al
100 (The Blue Mountains Eye Study) (2013) | Population-based, prospective study | 10 years | Total: 2417 | Optimate | Incidence of glaucoma: 82 | Reduced | Not significant |
| Ikram et al
101 (Rotterdam Eye Study) (2005) | Population-based, prospective study | 6.5 years | Total: 3464 | Optimate | Incidence of glaucoma: 74 | Not significant | Not significant |
| Papastathopoulos & Jonas64 (1999) | Hospital-based, prospective study | 37 months | OHT: 31 POAG: 59 NTG: 22 SOAG: 11 | Colour stereo optic disc photographs | Progression of glaucoma: 37 | Reduced | – |
CRAE, central retinal artery equivalent; CRVE, central retinal vein equivalent; NTG, normal tension glaucoma; OHT, ocular hypertension; POAG, primary open-angle glaucoma; SOAG, secondary open-angle glaucoma; –, parameter not investigated.