Comparison of saccadic reaction time between normal and glaucoma using an eye movement perimeter

  • George R
  • der Steen J
  • Mazumdar D
 et al. 
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AIM: To compare the saccadic reaction time (SRT) in both the central and peripheral visual field in normal and glaucomatous eyes using eye movement perimetery (EMP).

MATERIALS AND METHODS: Fifty-four normal and 25 glaucoma subjects underwent EMP and visual field testing on the Humphrey Field Analyser (HFA) 24-2 program. The EMP is based on infrared tracking of the corneal reflex. Fifty-four test locations corresponding to the locations on the 24-2 HFA program were tested. SRTs at different eccentricities and for different severities of glaucoma were compared between normal and glaucoma subjects.

RESULTS: Mean SRT was calculated for both normal and glaucoma subjects. Mann-Whitney U test showed statistically significant (P < 0.001) differences in SRT's between normal and glaucoma subjects in all zones.

CONCLUSION: SRT was prolonged in eyes with glaucoma across different eccentricities.

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  • Ronnie George

  • Jvan der Steen

  • Deepmala Mazumdar

  • JJM Pel

  • Manish Panday

  • Rashima Asokan

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