June 2015
Volume 56, Issue 7
Free
ARVO Annual Meeting Abstract  |   June 2015
Visual function recovery after macular hole surgery and high definition OCT imaging analyis.
Author Affiliations & Notes
  • Simona Maria Caprani
    Morphological & Surgical Sci, Univ of Insubria-Circolo Hosp, Varese, Italy
  • Simone Donati
    Morphological & Surgical Sci, Univ of Insubria-Circolo Hosp, Varese, Italy
  • Jennifer Cattaneo
    Morphological & Surgical Sci, Univ of Insubria-Circolo Hosp, Varese, Italy
  • Claudia Bellina
    Morphological & Surgical Sci, Univ of Insubria-Circolo Hosp, Varese, Italy
  • Andrea Galli
    Morphological & Surgical Sci, Univ of Insubria-Circolo Hosp, Varese, Italy
  • Claudio Azzolini
    Morphological & Surgical Sci, Univ of Insubria-Circolo Hosp, Varese, Italy
  • Footnotes
    Commercial Relationships Simona Maria Caprani, None; Simone Donati, None; Jennifer Cattaneo, None; Claudia Bellina, None; Andrea Galli, None; Claudio Azzolini, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science June 2015, Vol.56, 5081. doi:
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      Simona Maria Caprani, Simone Donati, Jennifer Cattaneo, Claudia Bellina, Andrea Galli, Claudio Azzolini; Visual function recovery after macular hole surgery and high definition OCT imaging analyis.. Invest. Ophthalmol. Vis. Sci. 2015;56(7 ):5081.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: To evaluate OCT retinal layers modification as determinants for functional recovery after vitreoretinal surgery for idiopathic macular hole (IMH).

Methods: This retrospective study included 15 eyes of 15 consecutive patients who underwent vitreoretinal surgery for IMH. We excluded patients affected by other different retinal diseases. Baseline and follow up evaluations at month 1, 3, 6 and 12 included complete ophthalmological evaluation, instrumental examination and clinical history. Functional evaluation was performed by ETDRS visual acuity and Amsler test. Morphological evaluation was performed by a deep analysis of retinal layers as well as mean retinal thickness (MRT) with SD OCT (Topcon 3D OCT, USA). According to the OCT evaluation of macular hole diameter, we divided patients in three groups (small IMH: 4 patients, medium IMH: 8 patients and large IMH: 3 patients). A standard 23G vitreoretinal surgery (Stellaris Vitrectomy Platform Bausch&Lomb, USA) was performed, posterior hyaloid and inner limiting membrane peeling by means of vital dyes completed by gas endotamponade, Statistical analysis was performed on collected data.

Results: Clinical evaluation showed interesting results about functional and morphological modifications.<br /> Mean visual acuity significantly increased from 0,75 ± 0,49LogMAR at baseline to 0,53±0,46LogMAR at month 6, six patients reported a reduction in metamorphopsia, five a reduction in the intensity of the central scotoma. MRT significantly decreased from 393,54±195,36µm at baseline to 240,24±104,50µm at month 6; a significant reabsorption of intraretinal edema and cysts was evident in 12 patients at month 12. Intraretinal layers modification showed a recomposition of IS/OS layer in 12 patients and a persistence of foveal hyporeflective area in the outer layers in 3 patients, corresponding to patients with a low VA recovery. Retinal layers recomposition showed a progressive increase in all patients during follow up from the immediate post operative control to the last 12 month visit. Better results were obtained in the small IMH group.

Conclusions: OCT examination appears of great importance to investigate the reasons of visual recovery after macular hole surgery. To ensure a functional increase it is mandatory a recomposition of all retinal layers in particular in the outer segment. This process could be slow, not immediately perceivable in the post surgical controls.

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