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Visual function deficits in eyes with resolved endophthalmitis.

Amithavikram R Hathibelagal1, Yasmeen Mulani1, Vivek Pravin Dave2

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Resolved endophthalmitis can persist with visual function deficits. Patients showed reduced contrast sensitivity, color vision, and flicker modulation despite good visual acuity, indicating lasting functional vision impairment.

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Area of Science:

  • Ophthalmology
  • Vision Science
  • Clinical Research

Background:

  • Endophthalmitis is a severe intraocular inflammation.
  • While treatment can resolve infection, long-term visual function is not fully understood.
  • Assessing residual visual deficits is crucial for patient management.

Purpose of the Study:

  • To evaluate functional vision changes in patients with resolved endophthalmitis.
  • To identify specific visual pathways affected after endophthalmitis resolution.
  • To correlate visual function deficits with ocular parameters.

Main Methods:

  • Cross-sectional study of 20 patients with resolved endophthalmitis and visual acuity >= 20/100.
  • Standard psychophysical techniques assessed visual acuity (VA), contrast threshold (CT), red/green (RG) and yellow/blue (YB) color vision, and 15 Hz flicker modulation threshold (FMT).
  • Comparison with age-matched normative data and linear regression analysis for foveal thickness correlation.

Main Results:

  • Median VA was 0.27 logMAR (~20/40).
  • Median CT, RG, YB thresholds, and FMT were significantly worse than age-matched norms.
  • A significant relationship was found between contrast thresholds and foveal thickness (R 2 =0.20, p=0.048).

Conclusions:

  • Resolved endophthalmitis can lead to persistent deficits in contrast sensitivity, color vision, and flicker modulation, even with good visual acuity.
  • These findings highlight the importance of comprehensive visual function assessment post-endophthalmitis.
  • Functional vision impairment may persist despite apparent clinical resolution.