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Myopia or nearsightedness is a visual impairment whose prevalence is increasing, especially among adolescents living in urban areas. This study aims to analyze the risk factors that contribute to the increasing incidence of myopia in adolescents in urban areas. The risk factors studied include near visual activity, exposure to natural light, duration of digital device use, reading habits, and genetic and environmental factors. This study design used a cross-sectional approach involving 300 adolescents aged 12-18 years who were randomly selected from several schools in city X. Data were collected through questionnaires that measured visual habits, daily activity patterns, and family health history, and were strengthened by eye refraction examinations by medical personnel. Data analysis was carried out using logistic regression to identify the relationship between risk factors and the incidence of myopia. The results showed that excessive near visual activity, use of digital devices for more than 4 hours per day, and lack of exposure to natural light were significant risk factors for myopia in adolescents. In addition, genetic factors also play an important role in the predisposition of myopia. These findings are expected to provide a deeper understanding of the factors causing myopia among adolescents and become the basis for formulating effective prevention strategies.

Presbyopia is called Also eye old or vision old that is condition Where ray come parallel No can refracted appropriate on the retina, but No on One focus point , can in front of or behind the retina. Hypermetropia known Also with nearsighted near , where ray parallel refracted behind the retina, as a result object that is located Far from the eyeball No will looks clear in vision sufferer . Concept base For to overcome presbyopia sufferers with refractive status hypermetropia is with give glasses For tool help his vision . Purpose study This is For know method determine size glasses on presbyopia sufferers with refractive status hypermetropia in optics Agus . Type study This is studies case with approach descriptive . Population in study This is overall sufferer abnormality refraction visiting​ to optic Agus on 01-29 February 2024 . The method of data collection used is interview And observation . Total sufferers abnormality refraction visiting​ to optics Agus as many as 66 patients with details of 5 patients emmetropia , 27 patients with myopia refraction status , 28 patients with refraction status hypermetropia and 6 people with refractive status astigmatism . And in study This obtained case vision Far And near run away , after corrected Then given S+1.00 lens ADD +200 for eye right And left . Based on results study This can concluded on presbyopia sufferers with hypermetropia status can handled with use bifocal or multifocal glasses .

Chronic diseases in humans are very difficult to detect visually, for example glaucoma, hypertension, diabetes, and others. So it takes a lot of time for further medical examination by visiting a health center or hospital. Therefore, this research aims to find a solution combining medical and computer science to classify quickly and precisely. Classifying eye images requires good features and characteristics so that disease images can be classified. This research uses the Deep Learning method, namely Convolutional Neural Network with MobileNet-V3 architecture which can extract features from large resolution images very well. This research resulted in accurate classification of images of chronic diseases Normal, Diabetes, Glucoma, Cataract, Age related macular degeneration, Hypertension, Pathalogical Myopia. uses the MobileNet-V3 architecture, with transfer learning reaching 81%, and loss only 0.4913.

The prevalence of myopia is increasing, especially among students, along with the increasing use of gadgets. This study aims to measure the prevalence of myopia and identify the relationship between the duration of gadget use and the incidence of myopia among students of Ma Chung University Malang in July 2023. This study design uses a quantitative approach with a cross-sectional method, involving 125 students aged 17–24 years who were selected using convenience sampling techniques. The research instruments were questionnaires and direct eye examinations. Data analysis used a simple linear regression test to see the relationship between independent and dependent variables. The results showed that 96.8% of respondents used gadgets for more than 2 hours per day and 58.4% of them experienced symptoms of myopia. Factors such as visual habits and outdoor activities moderate the relationship between the duration of gadget use and the incidence of myopia. This study confirms that unhealthy gadget usage habits increase the risk of myopia. Education is needed regarding good visual habits and increased activity.

The prevalence of myopia is increasing, especially among students, along with the increasing use of gadgets. This study aims to measure the prevalence of myopia and identify the relationship between the duration of gadget use and the incidence of myopia among students of Ma Chung University Malang in July 2023. This study design uses a quantitative approach with a cross-sectional method, involving 125 students aged 17–24 years who were selected using convenience sampling techniques. The research instruments were questionnaires and direct eye examinations. Data analysis used a simple linear regression test to see the relationship between independent and dependent variables. The results showed that 96.8% of respondents used gadgets for more than 2 hours per day and 58.4% of them experienced symptoms of myopia. Factors such as visual habits and outdoor activities moderate the relationship between the duration of gadget use and the incidence of myopia. This study confirms that unhealthy gadget usage habits increase the risk of myopia. Education is needed regarding good visual habits and increased activity.