[The papilla and visual field in glaucoma. Relation between planimetrically determined papilla and visual field...

Area of Science:

• Ophthalmology
• Glaucoma research
• Optic nerve imaging

Context:

• Ocular hypertension and primary open-angle glaucoma are significant causes of vision loss.
• Monitoring disease progression is crucial for effective patient management.
• Accurate measurement of optic nerve damage is essential for glaucoma assessment.

Purpose:

• To investigate the relationship between neuroretinal rim area changes and visual field progression in glaucoma patients.
• To evaluate the accuracy of planimetry in measuring neuroretinal rim area compared to estimations.
• To determine if neuroretinal rim size can predict visual field loss, or vice versa.

Summary:

• 18 patients with high intraocular pressure or significant optic disc cupping were monitored for an average of 3.7 years.
• Neuroretinal rim area decreased in 10 patients, fluctuated in 6, and increased in 2.
• No definitive correlation was found between visual field changes and neuroretinal rim area changes, though a trend suggested rim area decrease correlated with visual field loss.
• Planimetry was confirmed as a more accurate method for measuring neuroretinal rim area than estimations.

Impact:

• Highlights the complexity of glaucoma progression, where direct prediction of visual field loss from optic nerve structure is challenging.
• Emphasizes the importance of accurate, quantitative methods like planimetry for assessing optic nerve health in glaucoma.
• Informs clinical practice regarding the monitoring of glaucoma patients and the interpretation of structural and functional test results.