Posters

Optical coherence tomography angiography features of choriocapillaris in macular hole

Poster Details

First Author: J.Oh SOUTH KOREA

Co Author(s):    J. Ahn   J. Kim   C. Yun   S. Kim                    

Abstract Details



Purpose:

To report the optical coherence tomography angiography (OCT-A) features of choriocapillaris in macular hole (MH)

Setting:

Retrospective and case-control study

Methods:

We included patients who had idiopathic MH and OCT images before and after surgery. Vascular densities of choriocapillaris were calculated on the OCT-A images. We compared them with those of contralateral eye and age- and sex-matched normal controls.

Results:

Eighteen patients with MH and 18 normal controls were included. There was a region with a low vascular density around the foveal centre. The outer boundaries of the region were similar to the boundaries of destroyed ellipsoid zone. The outer boundaries of that were similar to the boundaries of MH, and they generally matched. Vascular density of choriocapillaris in MH before surgery (62.15 ± 10.81 %) was lower than that in MH after surgery (72.69 ± 7.80 %, p < 0.001). Vascular density in MH after surgery was not different from that in contralateral eyes (73.84 ± 6.74 %, p = 0.407). Vascular densities in MH after surgery and contralateral eyes were lower than normal controls (80.21 ± 4.08 %) (p = 0.003 and 0.006, respectively).

Conclusions:

Vascular density of choriocapillaris in MH is lower than contralateral eye and normal control. After surgery, vascular density in MH is restored to that in contralateral eye, but still lower than normal control.

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