The pediatric patient was referred to our hospital with a 12-day history of left eye redness and swelling. On the orbital and nasal side of the eye, there was a firm, nontender mass about the size of soybeans, with unclear boundary, medium texture. Orbital examination showed left ptosis, covering limbus. Motility examination revealed both eyes were in normal position, and the left eye was slightly limited in extraocular rotation. Magnetic resonance imaging (MRI) revealed evidence of diffuse inflammation of left eyelid, and orbital inflammatory was considered. Excluding other etiologies, the child was diagnosed initially with idiopathic orbital inflammatory. The symptoms improved after hormone therapy and there was no recurrence during follow-up. This case was a case of IOIP in a child who was admitted to the First Affiliated Hospital of Jinan University for refusing biopsy from another hospital. The paper suggests that early standardized treatment is the key to reduce the recurrence rate of this disease, especially in children.
Topical administration is the most common method of ocular medication, but it is generally difficult for the drug to pass through the cornea, and the bioavailability of the drug is low. Nanocarrier drugs were used in eyes in the 1980s, and liposomes and lipoids vesicles (Niosomes) interacted with ocular surface mucins to prolong the residence time of the drug on the ocular surface. Nanoemulsion surfactants can release the tight junctions of corneal epithelial cells, form transport openings, and inhibit the degradation of pharmaceutically active proteins by cell surface glycoprotein P (Pgp). Nanoparticles pass through the corneal and conjunctival epithelium without causing toxicity. Nanocapsules internalize deeper into the corneal epithelium (at 50 μm). Polymeric micelles self-assemble into core-shell nanocarriers to enhance the ability of drugs to penetrate the cornea. Anionic high-generation poly-amidoamine (PAMAM) dendrimers enhance drug permeability. Neutral and cationic low-generation dendrimers mediate higher drug permeability through clathrin pathway. Nanocrystal, in addition to enhancing drug solubility and dissolution rate, its high adhesion ability helps drug retention and penetration into ocular tissues. Nanostructured materials are closely related to dry eye and provide a choice for the treatment and diagnosis of dry eye.
Objective: To investigate the morphological changes detected by spectral domain optical coherence tomography (OCT) and their relevance to vision in patients with idiopathic macular epiretinal membranes (IMEM). Methods: This is a retrospective study. OCT recorded 37 eyes with stage 3 and below IMEM according to the 4-level grading system based on OCT images among 35 patients. We managed to obtain thickness of all retina layers in three concentric circular regions with a diameter of 1 mm, 3 mm and 6 mm across macular fovea with the help of a third-party software. Plus we divided all 37 eyes into two groups according to whether there were cystic changes in the inner nuclear layer (INL). Multiple linear regression analyses were performed between thickness of all retina layers and current minimum resolution angle in logarithmic (logMAR) best corrected visual acuity (BCVA). The difference of BCVA between groups with cystic changes and without was also compared. Thus, the relationships between visual acuity and thickness of retina layers, cystic changes in INL were analyzed. Results: Multiple linear regression analyses revealed that thickness of both retina nerve fiber layer (RNFL) and inner nuclear layer have positive correlation with logMAR BCVA in the region with a diameter of 1 mm (P<0.05), while in regions of a diameter of 3 mm and 6 mm, only INL thickness remained positively relevant (all P<0.05). There were significant differences in BCVA and thickness of INL between groups with INL cystic changes and without (all P<0.05). Conclusion: Current visual acuity among preoperative IMEM patients was mostly associated with thickness of RNFL and INL. Cystic change in INL layer may be a good indicator of INL thickening and was visually correlated. Those with this change tend to have worse vision.
A 28-year-old man was referred to our hospital because of blurred vision in both eyes after LASIK flap made by femtosecond laser surgery for 1 month. The best corrected visual acuity based on computerized optometry was 0.3 (-0.25×86°) in the right eye and 0.2 (-0.50×91°) in the left eye. Routine examinations were conducted to exclude eye diseases. Visual electrophysiological examination showed no abnormalities. Optometry specialty examination: negative relative accommodation (NRA) and positive relative accommodation (PRA) were +2.00 D/?10.00 D (when doing PRA, the patient could see clear slowly after a pause). Flipper examination showed: OD 10 cpm(+), OS 22 cpm(+), OU 12 cpm(+). Phoria-measurement showed 2 prism degree BO@D and 13 prism degree BI@N. AC/A=1. The patient’s high PRA, flipper examination results and convergence insufficiency at near distance indicated the possibility of “convergence insufficiency and accommodative spasm”. Cycloplegic refraction was planned to assess the real diopter. After instillation of cycloplegic drops, the UCVA improved to 1.0 and the refractive error to -0.25×93 in the right eye, in the left eye to 1.0 and the refractive error to -0.25×75. the BCVA was 1.0 (+1.00/-0.50×80°) in the right eye and 1.0 (+0.75/-0.25×65°) in the left eye. A diagnosis of accommodative spasm was made. The patient was counseled and continued cycloplegic drops one time daily before bedtime, participated in vision training for 4 weeks. This patient was a rare occurrence of accommodative spasm after FSLASIK surgery. Young patients with poor gain in UCVA can be subjected to a corrective procedure accidentally. Relaxation exercises and cycloplegic drops may cure accommodative spasm. For patients with unexplained causes of vision loss and excluded organic diseases of the eye, it is not difficult to diagnose “accommodative spasm” by careful medical history inquiry, ciliary muscle paralysis optometry and visual function examination. In addition to traditional ciliary palsy agent and reading glasses, it is suggested that visual function training can restore and stabilize the treatment effect.
Myopia is the most common ocular disease that harms the vision of children and adolescents. High myopia poses a great threat to visual function. The incidence of myopia in China has been increasing in recent years, and the demand for myopia screening, prevention and control has also expanded. With the continuous development of artificial intelligence theory and technology, Artificial intelligence can assist ophthalmologists in myopia screening, diagnosis and treatment. This review will briefly introduce artificial intelligence in the screening, prediction, and detection of myopia; also, the application in pathological myopia and corneal refractive surgery. This review will discuss some problems of current artificial intelligence research, such as low comparability, high image requirements, low interpretability, privacy protection, and the application prospects of artificial intelligence in myopia.
Different components of the tear film work together to maintain the wettability of the ocular surface, thus maintaining eye health. When the pathological changes of these components occur, the tear film homeostasis will be affected to varying degrees, leading to dry eye. Blinking movement affects the distribution of tear film components to some extent. With the continuous development of research and understanding of the concept and mechanism of dry eye, new concepts of tear-film-oriented diagnosis (TFOD) have been gradually proposed and widely accepted. We can determine the components lacking on the surface of the eye through the tear film breakup patterns (BUPs). On this basis, dry eye is diagnosed, so as to replenish the lacking components of tear film directionally and restore the stability of tear film. This paper will focus on analyzing the relationship between blinking, tear film formation and tear film break-up mechanism, so as to further clarify the new concept and development direction of tear-film oriented diagnosis.
Myopic maculopathy (MM) is the most common complication of myopia, which is also the main cause of poor visual function in pathologic myopia. Presently, the classification system of MM cannot properly explain the numerous changes that occur in the patient’s macula. Therefore, a comprehensive and unified classification system is urgently needed to facilitate in communicating and comparing the results of clinical trials and international multicenter studies. With the development and application of fundus imaging technology, the latest classification of MM, namely ATN (atrophy, A; traction, T; neovascularization, N) classificationsystem, which combines fundus photographs and optical coherence tomography (OCT) images, classifies macular lesions into 3 categories according to its severity, generating greater clinical value for the diagnosis and treatment of MM.
Objective: To explore the effect of quality control circle activity on improving the cleaning quality of ophthalmic equipment with nuts. Methods: The object of the study was 2 076 pieces of ophthalmic equipment with nuts (taking gauge as an example) used from August 1, 2020 to September 30, 2020 in the central sterile supply department of the Zhongshan Ophthalmic Center of Sun Yat-sen University in Zhujiang New Town. The equipment used before August 31 was set as the control group and was dealt with common cleaning process. The equipment used after September 1 was set as experimental group and the quality control circle group was set up to develop corresponding cleaning procedures for the instrument structure. Results: The qualified rate of cleaning in the experimental group was 98.7%, and that in the control group was 93.4%. The difference was statistically significant (P<0.01). Conclusion: Quality control circle activity can improve the cleaning quality of ophthalmic equipment with nuts.
Objective: To explore the application and effect of Plan-Do-Check-Act (PDCA) cycle management mode in optimizing the diagnosis and treatment process of cataract patients with daytime surgery. Methods: A total of 400 cases of patients with daytime surgery admitted to Department of Cataract, Zhongshan Ophthalmic Center,Sun Yat-sen University from September 2018 to December 2019 were selected as the experimental subjects. 200 patients from September 2018 to April 2019 were selected as the pre-optimization group, and 200 patients from May 2019 to December 2019 after the implementation of the PDCA cycle management mode were selected as the post-optimization group. Time of preoperative examination, length of hospital stay, the follow-up path in the first day after surgery and patient satisfaction were statistically compared between the two groups before and after implementation. Results: Seven months after the implementation of PDCA cycle management mode, the preoperative examination time decreased from (2.94±2.12) h to (2.09±0.93) h, and the length of hospital stay decreased from (22.73±1.14) h to (5.22±1.29) h, and the differences were statistically significant (P<0.001); the patients’ satisfaction increased from 92% to 96% (P<0.05); the follow-up path in the first day after operation was changed from the 13th floor (172 m) to the 3rd floor (129 m). Conclusion: The implementation of PDCA cycle management mode can effectively improve the diagnosis and treatment process of cataract patients with daytime surgery, shorten the diagnosis and treatment time and improve the satisfaction of patients, so it is worthy of clinical promotion.
Objective: By studying the mental health and its influencing factors of myopia children in grade 5 and grade 6 in Chancheng District, Foshan City, this paper provided the basis for solving the psychological problems caused by myopia and the prevention and treatment of myopia. Methods: Three primary schools in Chancheng District,Foshan City were chosen. Two classes in grade 5 and grade 6 were selected to carry out myopia screening followed by evaluation of their mental health with children’s social anxiety scale, loneliness scale and children’s self-esteem scale. Results: The prevalence of myopia was 52.0% in Chancheng District, Foshan City. Females (57.5%) had a higher prevalence than males (47.4%). The prevalence in grade 6 (57.6%) was higher than that in grade 5 (46.3%).Children with myopia had obvious social anxiety, loneliness, and low self-esteem (scores of 5.53±4.04 vs 4.66±3.59,30.15±11.72 vs 27.29±10.40, 97.97±12.73 vs 100.87±12.21, respectively) than those with normal vision, whose difference was statistically significant (all P<0.05). Further analysis showed that social anxiety, loneliness, and self-esteem in children with primary myopia were more obvious than those with moderate myopia. Social factors such as gender and age had little effect on the mental health of myopic children. According to different correction methods, among myopic children, those who wore orthokeratology lenses had lower social anxiety (F=4.21, P=0.01), and those who wore spectacles were more likely to have lower self-esteem (F=5.67, P=0.02).Conclusion: The problem of myopia in primary school students, which is closely related to mental health, is ofgeneral concern to the whole society. This requires the whole society to cooperate closely and take comprehensive measures. The choice of myopia correction methods affects the psychology of myopic children.
