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  • Title: Comparison of Elisar-Fast and Sita-Fast Strategy for Visual Field Assessment in Glaucoma.
    Author: Narang P, Rasheed FF, Agarwal A, Narang R, Agarwal A.
    Journal: J Glaucoma; 2024 Oct 02; ():. PubMed ID: 39352408.
    Abstract:
    PURPOSE: To compare two fast threshold strategies of visual field assessment: SITA-Fast (SF; Humphrey field analyser) and Elisar-Fast (EF; Advanced vision analyser) in patients with glaucoma. METHODS: In this cross-sectional observational study, of total 192 subjects, 138 subjects [150 eyes, 80 glaucoma subjects (91 eyes) and 58 healthy controls (59 eyes)] were analysed and included. Each subject underwent 24-2 EF and SF in randomized order with a minimum time interval of 1 hour between tests. MAIN OUTCOME MEASURES: Mean test-time, pointwise and sectoral sensitivity, significance of values of mean sensitivity (MS) and global indices [mean deviation (MD) & pattern standard deviation (PSD)] and their correlation. RESULTS: The mean test-time was 2.59±0.25 and 3.38±0.28 minutes (P = 0.001) with SF and EF respectively. Correlation coefficient for pointwise threshold values correlated strongly for both the devices (range from 0.70 to 0.92). The Intra class correlation (ICC) value of ≥ 0.8 was observed across all sectors indicating good reliability. Bland-Altman plot denoted 95% of data for MS values within limit of Agreement (LOA). The ICC values for overall MS, MD and PSD were 0.916, 0.913 and 0.872 respectively indicating good reliability. High degree of correlation was observed for MD (r = 0.912, P=0.00) and PSD values (r=0.732, P=0.00). Comparison of values indicated a difference of 1.09 dB for MD and 0.06 dB for PSD between both strategies. CONCLUSIONS: High degree of correlation existed between the global indices and pointwise threshold values. The study documents the ability of EF to successfully assess visual field in patients with glaucoma.
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