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[Occurrence of myopic maculopathy in eyes with staphylomas of various localization]
L V Bushnina1, N V Pomytkina1, E L Sorokin1,2
1Khabarovsk branch of S.N. Fedorov National Medical Research Center «MNTK «Eye Microsurgery»», Khabarovsk, Russia.
Abstract:
Complicated myopia develops in young people of working age, of which about 30% subsequently become visually impaired. Formation of ocular staphyloma affects the macula causing myopic maculopathy, which leads to significant and irreversible decrease in visual functions.
Purpose:
To study the occurrence frequency of various forms of myopic maculopathy in scleral staphylomas of different localization in patients with pathologic myopia.
Material And Methods:
The study included 105 patients with high myopia (105 eyes, axial length ≥26 mm). The main group consisted of 50 patients with myopic scleral staphylomas (50 eyes). The comparison group - 55 patients (55 eyes) without scleral staphylomas.
Results:
In the main group, myopic maculopathy was detected in 82% of eyes, it was absent in 96% of eyes in the comparison group. In the main group there were: staphyloma of the posterior pole of the eye with involvement of the optic nerve head (ONH) - 44% of eyes; macular staphyloma - 28% of eyes; peripapillary staphyloma - 12% of eyes; staphyloma below the ONH - 16% of eyes. Atrophic, neovascular and traction maculopathy was revealed in 22 eyes with staphylomas of the posterior pole of the eye. Dome-shaped changes in the macula were revealed in 17 patients (19 eyes) of the main group (15 eyes with staphylomas of the posterior pole of the eye, 4 eyes with macular staphylomas). The highest average value of axial length (30.94±0.81 mm) was noted in eyes with macular staphylomas, and the lowest (28.58±1.62 mm) - with staphylomas near the ONH.
Conclusion:
The presence of myopic maculopathy is associated with the presence of staphylomas with the odds ratio of 120.7 (95%, confidence interval 24.7-589.3). Staphyloma of the posterior pole of the eye and macular staphyloma were associated with the most severe forms of myopic maculopathy and low visual acuity.
