Long-term follow-up with optical coherence tomography and microperimetry in eyes with metamorphopsia after macula-off retinal detachment repair

A. Rossetti, D. Doro, A. Manfrè, E. Midena

Research output: Contribution to journalArticle

Abstract

Purpose: To report the long-term sequential morphological and functional results in eyes with metamorphopsia after retinal detachment (RD) repair. Patients and methods: In six eyes of six patients aged 58.7 ± 11.0 years with metamorphopsia after successful buckling surgery for macula-off RD, best-corrected visual acuity (BCVA), fundus biomicroscopy, Amsler grid test, time-domain optical coherence tomography (TD-OCT) and central 12° microperimetry (MP-1) were performed at months 1, 3, 6, 12, and 18. At 5 to 6 years after surgery all patients underwent also spectral domain (SD)-OCT. Results: Three eyes slowly recovered pre-RD BCVA. In the remaining three eyes - with good final BCVA - the interrupted junction line between photoreceptor cell inner and outer segments (IS/OS) was progressively less evident after RD surgery; and the external limiting membrane was preserved on SD-OCT examination. In all eyes post-operative metamorphopsia faded with time, but fully disappeared in 6 years only in two eyes without photoreceptor abnormalities. One of the two eyes with subretinal fluid up to 6 months and IS/OS disruption had central dense scotoma with relatively unstable fixation on MP-1 and persistent metamorphopsia. Macular sensitivity (MS) increased from 9.7 ± 7.1 at month 1 to 13.5 ± 5.6 dB at the final check, and was weakly (r = 0.33) correlated with post-operative BCVA and OCT abnormalities. Conclusion: Long-standing metamorphopsia can occur after successful macula-off RD repair even without detectable photoreceptor disruption on OCT. Post-operative BCVA recovery weakly correlates with increasing MS, and late restoration of the photoreceptor layer may be observed

Original languageEnglish
Pages (from-to)1808-1813
Number of pages6
JournalEye (London, England)
Volume24
Issue number12
DOIs
Publication statusPublished - Dec 2010

Keywords

  • metamorphopsia
  • microperimetry
  • optical coherence tomography
  • retinal detachment
  • visual outcome

ASJC Scopus subject areas

  • Ophthalmology

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