Abstract：
BACKGROUND:To investigate the effect of idiopathic epiretinal membrane (ERM) on the retinal-image quality and psychophysical contrast sensitivity function (CSF). METHODS:Forty-four subjects with diagnosis of idiopathic unilateral ERM were enrolled in this cross-sectional observational clinical study. The fellow unaffected eyes were set as the control group. For retinal-image quality assessment, an Optical Quality Analysis System (OQAS) based on double-pass technique was used to evaluate objective scatter index (OSI) and Strehl ratio. For visual performance, the CSF under photopic condition was measured. RESULTS:For retinal-image quality, the result of double-pass device revealed a significant lower Strehl ratio and larger OSI in the ERM eyes compared to the fellow eyes (all P < 0.05). For visual performance, the CSF at all spatial frequencies under photopic condition were also significantly degraded in the ERM eyes compared to the fellow eyes (all P < 0.05). For the ERM eyes, the reduction of Strehl ratio and CSF was 29.41 and 54.39%, respectively, and the increase of OSI was 164.10% compared to the fellow eyes. Besides, BCVA significantly correlated to the total CSF (ERM eyes, r = - 0.53, P < 0.001; the fellow eyes, r = - 0.467, P = 0.002) and Strehl ratio (ERM eyes, r = - 0.485, P = 0.001; the fellow eyes, r = - 0.311, P = 0.043) in both of the ERM and the fellow eyes. CONCLUSION:Eyes affected with ERM showed poorer retinal-image quality and visual performance than the normal eyes. Retinal-image quality measured by OQAS based on double-pass technique could be useful for assessing the retinal-image quality for ERM-affected eyes, in which retinal scattering was significantly increased.
journal_name
BMC Ophthalmoljournal_title
BMC ophthalmologyauthors
Liu L,Wang Y,Liu J,Liu Wdoi
10.1186/s12886-018-0957-1subject
Has Abstractpub_date
2018-11-07 00:00:00pages
290issue
1issn
1471-2415pii
10.1186/s12886-018-0957-1journal_volume
18pub_type
杂志文章abstract：BACKGROUND:To report six cases of CD34+ fibroblastic mesenchymal tumours, which are uncommon neoplasms in the orbit. CASE PRESENTATION:Six patients presenting with proptosis and palpable mass who were later diagnosed with fibrous solitary tumours, fibrous histocytoma or haemangiopericytoma in the orbit were included. ...
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pub_type： 杂志文章,评审
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更新日期：2012-05-15 00:00:00
