Yan ke xue bao = Eye science · 1996
[Clinical observation of the pathological changes of axial length, corneal curvature and posterior segment wall of eyeball in eyes with high myopia].
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Yu R, Guan Z, Hu Z
Аннотация
PURPOSE: To study the correlation between the characteristics of the morphologic changes in the wall of eyeball with high myopia and the visual function.
METHODS: The axial length, corneal curvature, etc., of 280 eyes in 140 cases (the diopter was from -6.25D to approximately -30.00D) were examined and the data were settled statistically.
RESULTS: (1) The corrected visual acuity in the patents with high myopia decreased apparently with the increase of diopter. The difference was significant (P < 0.001). (2) The axial length of anteroposterior diameter in 96.1% eyes increased, with which the diopter also increased. (3) 27.1% exophthalmos were forward. (4) There was no significant difference when compared the anterior surface corneal curvature with emmetropic eyes. (5) Posterior scleral staphyloma occurred in 80.7% eyes. (6) Optic nerve atrophy and optic disk atrophic arc spot occurred in 82.3% eyes. (7) The intraocular pressure increases in 5.3% eyes.
CONCLUSION: The severe damage to the visual function because of the pathological changes on the wall of eyeball is the main cause that vision can not be corrected in clinics.
METHODS: The axial length, corneal curvature, etc., of 280 eyes in 140 cases (the diopter was from -6.25D to approximately -30.00D) were examined and the data were settled statistically.
RESULTS: (1) The corrected visual acuity in the patents with high myopia decreased apparently with the increase of diopter. The difference was significant (P < 0.001). (2) The axial length of anteroposterior diameter in 96.1% eyes increased, with which the diopter also increased. (3) 27.1% exophthalmos were forward. (4) There was no significant difference when compared the anterior surface corneal curvature with emmetropic eyes. (5) Posterior scleral staphyloma occurred in 80.7% eyes. (6) Optic nerve atrophy and optic disk atrophic arc spot occurred in 82.3% eyes. (7) The intraocular pressure increases in 5.3% eyes.
CONCLUSION: The severe damage to the visual function because of the pathological changes on the wall of eyeball is the main cause that vision can not be corrected in clinics.