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. 2021 May;21(5):527.
doi: 10.3892/etm.2021.9959. Epub 2021 Mar 22.

Vital dyes in macular hole surgery

Ioana Stella Patoni Popescu  1 , Ovidiu Mușat  2 , Simona Stanca  3 , Corina Cristina Coman Cernat  1 , Cristina Patoni  4 , Serban Negru  5 , Adrian Teodoru  6 , Horia Feier  7 , Ciprian Danielescu  8
Affiliations

Vital dyes in macular hole surgery

Ioana Stella Patoni Popescu et al. Exp Ther Med. 2021 May.

Abstract

Currently, surgical techniques, such as internal limiting membrane peeling, are used widely for macular holes, macular puckers, epiretinal membranes, diabetic macular edema, retinal detachment, retinal vein occlusions, vitreomacular traction, optic pit maculopathy, and Terson syndrome. This study aimed to highlight any differences regarding visual acuity and ocular tomography coherence changes after staining the internal limiting membrane with dilutions of Brilliant Blue G vs. lutein/zeaxanthin-based dyes. This study involved 30 eyes of 30 patients who had undergone posterior pole vitrectomy for idiopathic stage 4 macular hole. The study lot was divided in two subgroups, 15 eyes colored with Brilliant Blue and the other 15 eyes colored with lutein and zeaxanthin dyes. The association between visual prognosis, ocular tomography coherence changes and intraocular pressure was analyzed. The surgical treatment with required endoillumination levels and a 2-min period of dye using the Alcon Constellation Vision System had no negative impact on cell viability and improved visual acuity by 30%. Staining makes it easier to remove, to be quick and precise while performing macular surgeries. In has been observed that lutein and zeaxanthin dyes offer an intraoperative protective screen that protects photoreceptors more than Brilliant Blue while performing pars plana vitrectomy. Both study groups had good results in time. Surgical visualization is an evolving technology.

Keywords: Brilliant Blue G; cromovitrectomy; internal limiting membrane; intraocular dyes; lutein and zeaxanthin dyes; macular hole; pars plana vitrectomy; staining technique.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Figure 1
Figure 1
Average age (years) of the entire study group.
Figure 2
Figure 2
Sex distribution of the entire study group.
Figure 3
Figure 3
Improvement in visual acuity (VA) 6 months after surgery.
Figure 4
Figure 4
Evolution of visual acuity (VA) according to the dye used.
Figure 5
Figure 5
IOP by age (years), at one month after surgery.
Figure 6
Figure 6
OCT closing type. OCT, optical coherence tomography.
Figure 7
Figure 7
Watzke Allen Test results.
See this image and copyright information in PMC

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