The optic nerve head perfusion and its correlation with the macular blood perfusion in unilateral idiopathic macular hole: an optical coherence tomography angiography study.

Aim: To compare the optic nerve head (ONH) perfusion in both eyes of unilateral idiopathic macular hole (IMH) with normal control group by using optical coherence tomography angiography (OCTA) and investigate its correlationship with the macular blood perfusion.

Methods: We performed a prospective and cross-sectional study that included 19 patients with full-thickness unilateral IMH and 24 age- and sex-matched controls. All participants received OCTA test.

[Clinical characteristics and pathogenesis of intracapillary hemorrhage with adjacent peripapillary subretinal hemorrhage].

Objective: To study the clinical characteristics and pathogenesis of intracapillary hemorrhage with adjacent peripapillary subretinal hemorrhage (IHAPSH).

Methods: A retrospective review of 8 patients with IHAPSH. The demographical data of the patients, the symptoms, initial and final visual acuities, biomicroscopic findings, fundus photographs, and the results of various special examinations, including fluoresce in angiography, B-scan ultrasonography, optical coherence tomography (OCT) and CT were analyzed.

[Prevalence of diabetic retinopathy among the elderly in rural southern Shuangcheng city, Heilongjiang province].

Objective: The purpose of this study was to understand the awareness, prevalence of diabetic retinopathy and treatment status of people aged over 50 and living in the rural areas of Shuangcheng city, Heilongjiang province, China.

Methods: Cluster sampling was used in randomly selected 5504 survey for ophthalmic clinical examination, in patients with diabetic retinopathy. A questionnaire in the state of knowledge about prevention and treatment was developed.