Objective: To examine the clinical phenotype and genetic deficiencies present in Chinese aniridia families with PAX6 haplotype deficiency.
Methods: A comprehensive questionnaire and ophthalmological assessments were administered to both affected patients and unaffected relatives. The clinical feature analysis included the evaluation of visual acuity, intraocular pressure, slit-lamp anterior segment examination, fundus photography, and spectral domain optical coherence tomography.
Invest Ophthalmol Vis Sci
September 2023
Purpose: Hydroxychloroquine is an effective treatment for rheumatic diseases; however, retinal damage is a possible side effect. We aimed to identify the retinal area and related risk factors associated with cone density reduction caused by hydroxychloroquine.
Methods: We recorded the retinal images of patients with rheumatic diseases taking hydroxychloroquine (n = 44) and compared them with images of healthy controls (n = 107).
Background: Traumatic aniridia occurs when the iris is extruded from the eye and is often accompanied by lens injuries. However, traumatic aniridia due to dislocation of the iris into the vitreous cavity without lens damage has never been reported.
Case Presentation: A 30-year-old man presented with visual loss and pain for 6 h after a thin wire injured his right eyeball.
Aim: To present the clinical manifestations of 5 autosomal dominant cone-rod dystrophy (adCORD) patients from two Chinese families with cone-rod homeobox (CRX) mutation (p.R41W), and to explore the clinical heterogeneity of adCORD with CRX mutation (p.R41W).
View Article and Find Full Text PDFObjective: To evaluate the pattern of vision loss and genotype-phenotype correlations in WFS1-associated optic neuropathy (WON).
Design: Multicenter cohort study.
Methods: The study involved 37 patients with WON carrying pathogenic or candidate pathogenic WFS1 variants.
Int J Ophthalmol
February 2022
Aim: To describe the clinical heterogeneity of patients with novel mutations in .
Methods: All the members in the two Chinese families underwent detailed clinical evaluations including best-corrected visual acuity, slit-lamp examination, applanation tonometry, and dilated fundus examination. Fundus autofluorescence, fundus fluorescein angiography, spectral-domain optical coherence tomography, electrooculography, and electroretinogram were also performed.
Background: Dynamic Contrast-enhanced Magnetic Resonance Imaging (DCE-MRI) technique could not only quantify blood-retinal barrier (BRB) breakdown leading to macular edema associated with diabetes, but also provide a two-dimensional imaging method that is not interfered by refracting media.
Objective: The current study was aimed to evaluate the macular change in the patients with diabetic retinopathy using DCE-MRI technique.
Methods: Twenty patients with Diabetic Retinopathy (DR) and 20 Normal Controls (NC) were included.
Axenfeld-Rieger syndrome (ARS) is a disorder affecting the anterior segment of the eye and causing systemic malformations, and follows an autosomal-dominant inheritance pattern. The aim of the present study was to identify the underlying cause of ARS in a Chinese family. Genomic DNA was extracted from the peripheral blood of the subjects from a family with ARS.
View Article and Find Full Text PDFAim: To recombine the human alpha B-crystallin (αB-crystallin) using gene cloning technology and prokaryotic expression vector and confirm the biological activity of recombinant human αB-crystallin.
Methods: Cloning the human αB-crystallin cDNA according to the nucleotide sequence of the human αB-crystallin, constructing the pET-28/CRYAB prokaryotic expression plasmid by restriction enzyme digestion method, and stably expressing transformed into the Escherichia coli (E. coli) DH5 alpha.
Background: Von Hippel-Lindau (VHL) disease is an autosomal dominant inherited cancer syndrome, and VHL is identified as a tumor suppressor gene. The main objective of this study was to identify disease-causing mutations in a Chinese family affected with VHL disease.
Methods: Genomic DNA was extracted from peripheral blood from a Chinese family with VHL.
The diagnosis of the recurrent optic neuritis is commonly established clinically, and sometimes it could be challenging because the involved optic nerve does not always show significant enhancement on conventional contrast enhanced-T1 weighted imaging (CE-T1WI). In this paper, we reported a middle-aged female with early diagnosis of recurrent optic neuritis using contrast-enhanced T2 fluid-attenuated inversion recovery imaging (CE-T2FLAIR). The involved optic nerve presented evident enhancement on CE-T2FLAIR and no enhancement on CE-T1WI.
View Article and Find Full Text PDFPurpose: We aimed to analyze the clinical characteristics of idiopathic retinal vasculitis, aneurysms, and neuroretinitis (IRVAN) syndrome. Furthermore, we aimed to correlate the number and location of retinal aneurysms with the size of retinal non-perfusion area and neovascularization.
Methods: Six patients with IRVAN syndrome (1 male and 5 females, age 5-38 years) were enrolled in this study.
Purpose: To describe the clinical characteristics of a Chinese family with peripheral cone dystrophy (PCD) and identify the gene mutations causing PCD.
Methods: The Chinese PCD pedigree underwent comprehensive ophthalmic examinations, including visual acuity, slit lamp examination, fundoscopy, visual field examination, autofluorescence, fluorescence fundus angiography and indocyanine green angiography, full-field electroretinograms, and spectral-domain optical coherence tomography. The targeted next-generation sequencing of COD or cone-rod dystrophy (CORD) genes was used to identify the causative mutation.
Purpose: To evaluate the effect of tear malate dehydrogenase 2 on monitoring ocular surface injury in mild dry eye (DE) disease.
Methods: A total of 15 DE patients (30 eyes) with mild subjective symptoms but no ocular surface fluorescein staining signs were enrolled in this study (DE group). The control group was 15 healthy age- and sex-matched volunteers (30 eyes).
Purpose: To study the clinical manifestations and the diagnostic and differential diagnostic characteristics of acute idiopathic blind spot enlargement syndrome (AIBSES).
Methods: Six patients diagnosed with AIBSES underwent complete eye examinations including fundus photography, fundus fluorescein angiography(FFA), indocyanine green angiography (ICGA), optical coherence tomography (OCT), electroretinogram (ERG), and visual field examinations.
Results: All patients had enlarged blind spots of variable sizes and densities.
Objectives: To calibrate and standardise an animal model of graded optic nerve injury (ONI) in rats to facilitate future inter-laboratory data comparisons, focussing on quantification of injury intensity, injury severity, and the correlation between them.
Methods: A pair of cross-action forceps or a pair of artery clips was used to induce optic nerve (ON) crush injuries. A lever principle and a simplified method were used to measure the crushing force.
Background: To characterize macular thickness (MT) changes in Leber's hereditary optic neuropathy (LHON) patients by cirrus HD-optical coherence tomography (OCT), and to study the correlation between MT and best corrected visual acuity (BCVA).
Methods: Fifty-two eyes from 52 consecutive LHON patients and 14 eyes from 14 age- and sex-matched healthy controls were scanned by OCT. Affected eyes were classified into five groups according to disease duration (1st group: ≤3 months; 2nd group: 3-6 months; 3rd group: 6-9 months; 4th group: 9-12 months; and 5th group: >12 months).
Pigmented paravenous retinochoroidal atrophy (PPRCA) is an uncommon disease characterized by perivenous aggregations of pigment clumps associated with peripapillary and radial zones of retinochoroidal atrophy that are distributed along the retinal veins. Patients are usually asymptomatic and the disease process is non-progressive or slow and subtly progressive. It is commonly bilateral and symmetric.
View Article and Find Full Text PDFPathological optic disc cupping (ODC) is predominantly referred to as glaucoma; however, it is not only glaucoma that leads to pathological optic disc excavation. A number of other nonglaucomatous diseases also result in optic atrophy and excavation of the optic disc. Therefore, in the present study, the etiology of nonglaucomatous optic disc cupping (NGODC) was analyzed and differentiated from glaucomatous optic disc cupping (GODC).
View Article and Find Full Text PDFPurpose: To report a case of presumed acquired retinal astrocytoma in association with anterior uveitis.
Methods: A 29-year-old man presented with mutton fat keratic precipitates in the inferiorlower cornea, with complicated cataract and a circumscribed, solitary, yellowish-white retinal lesion in the right eye. Phacoemulsification with intraocular lens implantation was performed, with election to observeand the lesion was observed periodically.
In the present study, the changes in the retinal nerve fiber layer (RNFL) thickness associated with Leber's hereditary optic neuropathy (LHON) were examined by Cirrus high definition-optical coherence tomography (OCT), and the correlation between the RNFL thickness and the best corrected visual acuity (BCVA) was evaluated. A cross-sectional study was performed. Sixty-eight eyes from patients with LHON and 30 eyes from healthy individuals were scanned.
View Article and Find Full Text PDFZhonghua Yan Ke Za Zhi
June 2013
Objective: To analyze the clinical characteristics of paraneoplastic retinopathy and optic neuropathy(PRON).
Methods: Case series study. Eight patients were enrolled from October 2006 to March 2012 visited in ophthalmology department, the People Liberation Army General Hospital.
Zhong Nan Da Xue Xue Bao Yi Xue Ban
March 2013
Objective: To evaluate the efficacy and safety of acupuncture for optic atrophy.
Methods: All the randomized controlled trials (RCTs) on optic atrophy treatment with acupuncture were included after retrieving the PubMed, Embase, Cochrane Library, CBM, CNKI, VIP, Wanfang database from their establishment to November 2012. The bibliographies of the included studies were retrieved as well.
Zhonghua Yan Ke Za Zhi
February 2011
Objective: To evaluate the efficacy, predictability, stability, and safety of the surgical correction myopia using implantable Collamer lenses (ICL) in phakic eyes.
Methods: A prospective study was performed to analyze 91 eyes of 48 patients who had the implantation of ICL for the treatment of myopia from July 2008 to February 2010. Patients were examined preoperatively and followed at 1 week, 1, 3, 6, and 12 months postoperatively.