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By reviewing the recent articles regarding the ocular side effect of tamoxifen when treating breast cancer and glioma, this article summarized the incidence and the potential mechanism of the side effects of tamoxifen, and the specific ocular toxicity including keratopathy, cataract, retinopathy, optic neuropathy. This review would provide guidance for clinical ophthalmologists to early identify and appropriately manage tamoxifen induced ocular diseases. (Chin J Ophthalmol, 2021, 57 232-236).The study aimed to introduce a new analysis method of 24-hour intraocular pressure (IOP) and to propose the concept of overall IOP. Selleckchem MRTX-1257 Data of 24-hour IOP of a patient with a confirmed diagnosis of normal tension glaucoma was selected. Based on the present indexes including peak IOP, trough IOP, maximum difference, and mean IOP, new indexes were proposed, which included main IOP, duration of main IOP, and rate of IOP increase. A radar chart was drawn, and overall IOP was calculated. Overall IOP value = IOP distribution (sum of IOP value multiplied by the corresponding duration) × IOP fluctuation (standard deviation) × rate of IOP increase/100. By comparing two series of IOP data, the advantages of the new IOP indexes were demonstrated. The introduction of the concept of overall IOP expands the description of IOP from a single static state to a comprehensive dynamic state, which enables us to analyze the results of 24-hour IOP monitoring more thoroughly. (Chin J Ophthalmol, 2021, 57 228-231).Objective To observe the changes of four pulley locations of extraocular rectus muscles and rectus muscle volumes, as well as superior and inferior part ratio of horizontal rectus muscles, in concomitant exotropia with small-angle vertical deviation in primary gaze. Methods Cross-sectional study. Data was collected from January 2018 to December 2019 in Tianjin Eye Hospital. The pulley position changes and volumes of four extraocular rectus muscles in the coronal position of patients who had concomitant exotropia without vertical deviation (group A) or with small-angle vertical deviation in primary gaze (0.05), while the ratio in group B was more dispersive. Conclusions The pulley location changes of four extraocular rectus muscles of patients with concomitant exotropia and small-angle vertical deviation in primary gaze are not significant, but the medial rectus volume in patients who had concomitant exotropia with vertical deviation or not is significantly smaller. The dispersive superior and inferior muscle volume ratio of the horizontal rectus muscles may be related to the small angle of vertical deviation in clinical examinations. (Chin J Ophthalmol, 2021, 57 223-227).Objective To explore the possible mechanism of silent information regulator 1 (SIRT1) in regulating the function of human trabecular meshwork cells (HTMCs). Methods Experimental study. HTMCs were transfected with SIRT1-overexpressed lentivirus and control lentivirus at the optimal multiplicity of infection, respectively. The total RNA was extracted, and the long non-coding RNA (lncRNA) microarray was used to detect the expression of lncRNAs. The differentially expressed lncRNAs were analyzed by bioinformatics. Real-time PCR was used to verify the microarray results. Student's t-test was used for comparison between groups. Results Compared with the control group, there were 636 up-regulated lncRNAs and 2 246 down-regulated lncRNAs in the SIRT1 overexpressed group (all P less then 0.05). Gene ontology analysis showed that SIRT1 regulated extracellular matrix, cell metabolism, proliferation and apoptosis of HTMCs. Kyoto encyclopedia of genes and genomics pathway analysis indicated that differential lncRNAs induced by SIRT1 were involved in 19 signal pathways, including Notch signaling pathway, mitogen-activated protein kinase signaling pathway, inflammatory mediator regulation of tyrosinase-associated protein channels and extracellular matrix-receptor interaction. Conclusion SIRT1 could have effects on the function of HTMCs through regulating lncRNAs in multiple signaling pathways, including Notch signaling pathway, mitogen-activated protein kinase signaling pathway, etc. (Chin J Ophthalmol, 2021, 57 215-222).Objective To evaluate the quality of life of patients with primary open-angle glaucoma (POAG) and its related factors in Wenzhou. Methods Cross-sectional analysis. A total of 339 POAG patients diagnosed in the Wenzhou glaucoma progression study conducted in the Eye Hospital, School of Ophthalmology and Optometry, Wenzhou Medical University from March 2014 to October 2019 were included. Quality of life of POAG patients was assessed by EQ-5D including the visual analogue scale (VAS). The effects of gender, age, visual field loss (VFL), family history of glaucoma, hypertension, diabetes, migraine, sleep quality, and amateur exercise on the quality of life were analyzed. The utility value (UV) and VAS score were expressed as the median (P25, P75), and Mann-Whitney U was used for the comparison between two groups. Kruskal-Wallis H was performed to compare the differences among multiple groups. Results A total of 339 POAG patients were included in the study; 164 were males (48.4%), and 175 were females (51.6%). The the eye with a better visual field among groups with different degrees of VFL (both P>0.05). There was statistically significant difference in the UV among groups with different sleep qualities (H=17.465; P0.05). Conclusions VFL is related to the UV of POAG patients in Wenzhou. Quality of life in mild POAG patients is good but decrease in advanced POAG patients. Sleep quality, systemic complications and physical or psychological discomfort impact on quality of life in POAG patients. (Chin J Ophthalmol, 2021, 57 207-214).Objective To evaluate the retinal vessel density in eyes with primary open-angle glaucoma (POAG) with single-hemifield visual field (VF) defects and its relationship to retinal nerve fiber layer (RNFL) thickness and visual field indices. Methods Cross-sectional study. Twenty-eight POAG patients with single-hemifield VF defects and 31 normal controls were recruited from October 2015 to October 2018 in the Eye, Ear, Nose and Throat Hospital of Fudan University. All subjects underwent complete ophthalmological examinations, including RNFL, retinal ganglion cell complex (GCC) thickness and visual field tests, and the general information was collected. The peripapillary radial peripapillary capillaries (RPC) and macular superifical retinal capillary plexus (SCP) were derived from optical coherence tomography angiography. The retinal vessel density, structural values, and VF values were compared among the corresponding hemifields of POAG and healthy eyes using the Rank Sum test. Results There were 16 males and 12 freceded VF loss in POAG. (Chin J Ophthalmol, 2021, 57 201-206).Objective To investigate and compare the sub-foveal choroidal thickness (SFCT) in both eyes of patients with unilateral primary open-angle glaucoma (POAG) and healthy controls. Methods Cross-sectional study. Patients with unilateral POAG and healthy controls were recruited from September 2018 to September 2019 in the Beijing Tongren Hospital. All subjects underwent enhanced depth imaging optical coherence tomography. The SFCT was measured at the fovea, and at 500 μm, 1 000 μm and 2 000 μm nasal and temporal to the fovea. Paired t test was conducted to compare the choroidal thickness between affected POAG eyes and unaffected fellow eyes. Analysis of covariance was conducted to compare the choroidal thicknesses between POAG eyes and controls. Multiple regression analysis determined the association between choroidal thickness and age, gender, spherical equivalent and mean deviation. Results Seventy-five patients with unilateral POAG (mean age, 46 years; 48 males, 27 females) and 61 healthy controls (mean age, 44 years; 34 males, 27 females) were included in this study. The SFCT of POAG eyes was (244.41±83.18) μm, which was not significantly different from their unaffected fellow eyes [(254.28±88.92) μm, P>0.05] and controls (right eyes) [(272.98±55.87) μm, P>0.05]. Choroidal thickness at 2 000 μm nasal to the fovea was significantly decreased in the glaucomatous eyes compared with the unaffected fellow eyes [(167.84±70.44) vs. (188.84±89.06) μm, t=-3.55; P0.05). Conclusions The SFCT of affected eyes in patients with unilateral POAG has no significant difference from unaffected fellow eyes and healthy controls. However, the choroidal thickness at 2 000 μm nasal to the fovea is thinner in the POAG eyes as compared with the fellow eyes. A thinner SFCT is correlated with the loss of visual field and a higher spherical equivalent in myopia. This may suggest a contributing role of the perfusion of the choroid in the pathogenesis of glaucoma. (Chin J Ophthalmol, 2021, 57 194-200).Demyelinating optic neuritis (DON) is an inflammatory demyelinating disease of the central nervous system, which can lead to visual loss in young adults as a major factor. The key points concerned by neuro-ophthalmologists are to reduce the rate of recurrence and improve the prognosis in the course of diagnosis and treatment of DON. Companied with the deep research of diagnostic markers, different classifications and therapies, and evidence-based medicine, there are more and more clinical evidences for the development and standardization of evidence-based guidelines for diagnosis and treatment. According to the routine procedures, the expert steering committee, the guideline development group, the external review expert group and the working group were established. The clinical concerns were collected directly from neuro-ophthalmologists, ophthalmologists of other subspecialties and neurologists. The guideline development group comprehensively searched and systematically evaluated the relevant research evidence at home and abroad, analyzed the preferences and values of patients, and organized the expert consensus meeting. Sixteen recommendations for the diagnosis and treatment of DON were formulated, including classification and diagnosis, therapies in acute and chronic phases, and the follow-up management, which has important guiding significance for the improvement of clinical treatment and reduction of the recurrence rate. (Chin J Ophthalmol, 2021, 57171-186).Primary glaucoma with cataract is a common eye disease in China, and surgery is the main treatment. With the continuous advance of medical technology, the choice of surgical methods is controversial, and there is still a lack of consensus with general guiding significance in China. In order to standardize the clinical treatment, Chinese Glaucoma Society has formulated this consensus after a serious discussion. This consensus is aiming at guiding clinical practice and putting forward instructive opinions on the operation methods, perioperative and follow-up management of different types and stages of primary glaucoma with cataract surgery indications. (Chin J Ophthalmol, 2021, 57166-170).Glaucoma is the leading cause of irreversible blindness worldwide. The Chinese Glaucoma Guidelines (2020) formulated important references and suggestions for the treatment of glaucoma, based on the basic national condition of China and considering the latest global progress. To fulfill their guiding effect on clinical work, publicity and promotion of the Guidelines should be intensified to prompt the communication and application. The ophthalmology specialists should pay attention to the quality assessment and reevaluation of the Guidelines regarding their reliability and applicability in clinical work, and promote the evidence-based practice of glaucoma. Continuous feedbacks from clinical practice would enable timely updates and improvement of the Guidelines, thus building a better evidence ecosystem and constantly optimizing the diagnosis and treatment of glaucoma in China. (Chin J Ophthalmol, 2021, 57161-165).
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