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Baseline disc hemorrhage strongly predicts progression in primary open-angle and normal tension glaucomaDisc hemorrhage predicts faster vision loss in glaucoma patients

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Key Takeaway
Consider baseline disc hemorrhage as a strong predictor for progression in primary open-angle and normal tension glaucoma.

This is a systematic review and meta-analysis of 22 papers comprising seven prospective cohort studies and 15 retrospective cohort studies in patients aged 18 years and above with primary open-angle glaucoma (POAG) and normal tension glaucoma (NTG). The authors synthesized evidence on baseline disc hemorrhage (DH) as a predictor for glaucoma progression.

The meta-analysis found a positive association between baseline DH and progression of POAG (OR = 4.51, 95% CI = 3.24 to 6.26) and progression of NTG (OR = 5.15, 95% CI = 3.72 to 7.14). DH was most commonly observed inferotemporally, and a topological association between DH location and visual field deterioration was present.

A key limitation noted by the authors is the scarcity of longitudinal reports. The review did not report follow-up duration, absolute numbers, or safety data.

The authors conclude that DH is an important predictor for POAG progression, particularly for NTG. They suggest that the presence of baseline DH in POAG patients may warrant closer monitoring of retinal nerve fibre layer thinning and visual field loss. This practice relevance is based on observational evidence.

A small blood spot on the optic nerve might seem minor, but it carries a heavy warning for people with glaucoma. This analysis looked at twenty-two papers involving patients aged eighteen and older who had primary open-angle glaucoma or normal tension glaucoma. The goal was to understand if this specific sign, called a disc hemorrhage, predicted how quickly the disease would get worse. The results were clear. Patients who had this blood spot at the start faced a much higher risk of their condition progressing compared to those who did not. The risk was especially high for those with normal tension glaucoma. The study also found that these blood spots most often appeared in the lower outer part of the nerve. Furthermore, the location of the spot matched where vision loss was happening in the eye. This connection helps doctors understand why some patients lose sight faster than others. However, the researchers noted that reports tracking this sign over long periods are scarce. This lack of long-term data means we still need more information to fully understand the timeline of this risk. Despite this gap, the finding is vital for patient care.

What this means for you:
A baseline disc hemorrhage is a strong predictor of disease progression in glaucoma patients.

Study Details

Study typeMeta analysis
EvidenceLevel 1
PublishedJun 2026
View Original Abstract ↓
PURPOSE: Optic disc hemorrhages (DH) are one of the hallmark signs of primary open-angle glaucoma (POAG). However, due to the scarcity of longitudinal reports, the influence of baseline DH on the progression of POAG and its subtype, normal tension glaucoma (NTG), remains unclear. We conducted a systematic review with meta-analysis to determine the association of baseline DH with progression of POAG and NTG. METHODS: PubMed, Embase, Cochrane, SCOPUS, and Web of Science were searched from inception till July 1, 2025. POAG and NTG progressions were defined based on functional or structural changes. Following the PRISMA guidelines and a PROSPERO-registered protocol (CRD42021292572), two authors selected observational studies reporting glaucomatous progression in patients aged 18 years and above. We performed random-effects meta-analysis to estimate the pooled odds ratio (OR) for the association between baseline DH and progression of POAG and NTG. Additionally, we also performed a qualitative analysis for data on the location of DH and its association with visual field deterioration. RESULTS: We included 22 papers comprising seven prospective cohort studies and 15 retrospective cohort studies. Baseline DH was associated with the progression of POAG (OR = 4.51; 95% CI (confidence interval) = 3.24 to 6.26; I2 = 44.2%) and NTG (OR = 5.15; 95% CI = 3.72-7.14; I2 = 29%). DH were most commonly observed inferotemporally, with a topological association between the location of DH and the site of visual field deterioration. CONCLUSION: DH is an important predictor for POAG progression, particularly for NTG. The presence of baseline DH in POAG patients may warrant closer monitoring of retinal nerve fibre layer thinning and visual field loss.
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