注视性主视眼与非主视眼的对比研究

doi:10.3760/cma.j.cn115909-20210115-00017

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Abstract bjective: To investigate the differences in refractive state, intraocular pressure and anterior segment

parameters between sighting dominant and non-dominant eyes. Methods: In this series of case study, a

total of 1 145 myopic patients (2 290 eyes) who were treated at the refractive surgery clinic of Nanchang

Aier Eye Hospital from January 2018 to June 2020 were enrolled, of which 698 patients were males, and

447 were females. The median age was 22 years (18-35 years). Subjective refraction, intraocular pressure,

and anterior segment parameters based on Pentacam were recorded, and the sighting dominant eye was

identified by the hole-in-the-card test. A paired t-test, Wilcoxon rank-sum test and Chi-square test were

used for statistical analysis. Results: The right eye was dominant in 796 patients and the left eye was

dominant in 349 patients. The spherical equivalent (SE) of the dominant eye was higher than that of the

non-dominant eye with a statistically significant difference (Z=-2.345, P=0.019), while the cylindrical

power of the dominant eye was lower and the difference was statistically significant (Z=-2.550, P=0.011).

The central corneal thickness of the dominant eye was thinner than that of the non-dominant eye, and the

difference was statistically significant (Z=-3.685, P<0.001). The anterior chamber angle of the dominant

eye was smaller than that of the non-dominant eye, and the difference was statistically significant (Z=-2.894,

P=0.004). The average refractive power of the front corneal surface was greater than that of the non

dominant eye, and the difference was statistically significant (Z=-2.778, P=0.005). The intraocular

pressure of the dominant eye was higher than that of the non-dominant eye with a statistically significant

difference (Z=-2.153, P=0.031). The difference of the composition ratio between those with higher SE

of dominant eye and those with lower SE of dominant eye is statistically significant (χ2 =9.856, P=0.007)

among different groups of distribution of degree (0<|ΔSE|≤0.5, 0.5<|ΔSE|≤1.5, |ΔSE|>1.5). Conclusions:

The sighting dominant eye is associated with a higher SE and cylindrical power, and there are differences

in the structures between sighting dominant eyes and non-dominant eyes.

Key words： sighting dominant eye')" href="#"> sighting dominant eye refractive state')" href="#">refractive state intraocular pressure')" href="#">intraocular pressure

Received: 15 January 2021

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Corresponding Authors: Bo Ye, Aier School of Ophthalmology, Central South University, Changsha 410015, China; Nanchang Aier Eye Hospital, Nanchang 330000, China (Email: yebo814@126.com)

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