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Eye (Lond). 2011 Dec;25(12):1617-21. doi: 10.1038/eye.2011.224. Epub 2011 Sep 16.

Outcome of ranibizumab treatment in neovascular age related macula degeneration in eyes with baseline visual acuity better than 6/12.

Author information

  • 1Department of Ophthalmology, University Hospital of Wales, Cardiff, UK. tawilli40@hotmail.com

Abstract

BACKGROUND:

The beneficial effect of intravitreal ranibizumab in the treatment of neovascular age-related macula degeneration (nAMD) is well known. Outcome data for eyes presenting with visual acuity better than 6/12 is limited.

AIMS:

To assess the effect of baseline vision on outcome in ranibizumab-treated nAMD eyes, including a subgroup with baseline vision ≥6/12 (<0.30  logmar).

DESIGN:

Prospective, consecutive and interventional case series.

METHODS:

A consecutive cohort of patients treated with intravitreal ranibizumab for nAMD with 52-week follow-up were studied. Patients who had received previous treatment for nAMD were excluded. Eyes were stratified according to baseline logmar visual acuity into four groups: <0.30 (>6/12), 0.30-0.59 (6/12-6/24), 0.60-0.99 (6/24-6/60) and 1.00-1.20 (6/60-6/96). Intravitreal ranibizumab (0.5 mg in 0.05 ml) was administered in three loading monthly doses followed by PRN dosing according to optical coherence tomography (OCT) findings.

RESULTS:

A total of 615 eyes were studied including 88 eyes with baseline vision <0.30. The mean change in logmar letters at 52 weeks was +5.5 (entire study group), -0.5 (<0.30 subgroup), +2.2 (0.30-0.59 subgroup), +6.5 (0.60-0.99 subgroup) and +15.3 (1.00-1.20 subgroup). In the <0.30 subgroup, 60 of 88 eyes (68%) had best-corrected visual acuity (BCVA) equal to or better than baseline and 82 of 88 eyes (93%) lost <15 letters at 52 weeks. Within this subgroup 56 of 67 eyes (84%) maintained UK driving standard BCVA visual acuity over the study period.

CONCLUSIONS:

This study provides evidence that intravitreal ranibizumab treatment stabilises good vision in nAMD presenting with vision better than 6/12 over 52 weeks follow-up.

PMID:
21921947
[PubMed - indexed for MEDLINE]
PMCID:
PMC3234468
Free PMC Article

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