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. 2021 Feb 18;14(2):263-268.
doi: 10.18240/ijo.2021.02.13. eCollection 2021.

A pilot study on vitrectomy combined with scleral shortening for eyes with myopic macular retinoschisis-2y follow-up results

Peng Zhang  1 , Cun-Xi Ye  1 , Ling-Xin Hou  1 , Yu-Hua Hao  1 , Kun Wang  1 , Qing-Li Shang  1
Affiliations

A pilot study on vitrectomy combined with scleral shortening for eyes with myopic macular retinoschisis-2y follow-up results

Peng Zhang et al. Int J Ophthalmol. .

Abstract

Aim: To evaluate the effect of vitrectomy combined with scleral shortening for eyes with myopic macular retinoschisis.

Methods: Thirty-seven patients with myopic macular retinoschisis who underwent pars plana vitrectomy (PPV) combined with scleral shortening were reviewed. Axial length (AL), the height of macular retinoschisis, the height of retinal detachment if existed, the diameter of macular hole if existed and best corrected visual acuity (BCVA) were obtained. The preoperative and postoperative parameters were compared.

Results: At postoperative 24mo, the mean AL and height of macular retinoschisis were reduced significantly by 0.79 mm and 256.51 µm (t=8.064, P<0.0001; Z=-5.086, P<0.0001) respectively. In addition, the mean height of retinal detachment and diameter of macular hole were also reduced significantly by 365.38 µm and 183.68 µm (Z=-4.457, P=0.000008; Z=-2.983, P=0.003) respectively. Meanwhile, the postoperative BCVA was improved markedly (Z=-2.126, P=0.033).

Conclusion: Vitrectomy combined with scleral shortening is an effective surgical method for eyes with myopic macular retinoschisis, whether or not macular hole and retinal detachment are present.

Keywords: macula; myopia; retinoschisis; scleral shortening; vitrectomy.

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Figures

Figure 1
Figure 1. Steps of scleral shortening
A: Conjunctiva incision was performed and sclera was exposed; B: Lamellar scleral incision in parallel with corneal limbus was performed, which was 8 mm away from corneal limbus, in inferior temporal quadrant; C: Scleral flap was peeled backward by 4 mm and forward by 2 mm; D: The incision was mattress sutured in root.
Figure 2
Figure 2. Preoperative and postoperative OCT images of a patient's of myopic macular retinoschisis complicated with macular hole and retinal detachment
A: A 69-year-old woman diagnosed with myopic macular retinoschisis complicated with macular hole and retinal detachment. The height of macular retinoschisis is 414 µm. The height of retinal detachment is 310 µm. The diameter of macular hole is 941 µm. B: OCT in 2mo postoperation showed macular retinoschisis, retinal detachment and macular hole were absent. C: OCT in 20mo postoperation showed thin and atrophic retina.
Figure 3
Figure 3. Preoperative and postoperative OCT images of a patient's diagnosed with myopic macular retinoschisis
A: A 60-year-old woman diagnosed with myopic macular retinoschisis. The height of macular retinoschisis is 322 µm. B: OCT in 5mo postoperation showed macular retinoschisis were absent, but a cavity was remained. C: OCT in 16mo postoperation showed complete retina without macular retinoschisis and any cavity.
See this image and copyright information in PMC

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