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Disturbances in the eyes of the elderly will cause disturbance which have an impact on discomfort and other disturbances in carrying out daily activities. The figure of the elderly is part of family members and community members whose number is increasing in line with the increase in life expectancy. The number of elderly people in Indonesia is increasing rapidly every year, so that Indonesia is expected to experience an “elderly population boom” in the early 2 decades of the 21 century as a result of the baby boom several decades ago. BPS projects that ini 2045 Indonesia will have around 63,31 million elderly or nearly 20 percent of the population. According to UN projections, the percentage of elderly Indonesians will reach 25 percent in 2050 or around 74 million elderly. This community service activity is a form of application in the optics and wave physics course. The purpose of this screening is to find out the description of eye refraction abnormalities and lectures can apply it to the community. The location for the screening was held in the Sei Agul area of  Medan, North Sumatera. The subjects were the ederly and the poor around Medan Barat District who ere suspected of having refractive errors. Screening was carried out using the Snellen Optotype and corrected using a trial lens. The implementation of this community service activity took place smoothly and efficiently. The results of the exmation of the elderly, which were almost large, were that the elderly were not found to have eye defects such as night blindness, cataracts or color blindness. This activity is expected to foster community motivation in carrying out their lives with the glasses provided by the lion clubs and remind them to carry out routine checks before experiencing cataracts.

Refractive errors occur when the light entering the eye is not clearly focused, causing blurry or unsharp vision. The main causes of refractive errors include hereditary factors and an unhealthy lifestyle. Signs and symptoms of refractive errors include blurred vision, frequent squinting to see objects clearly, and difficulty focusing when reading, watching TV, or looking at a gadget screen. This disorder cannot be completely cured, but it can be helped with glasses, contact lenses, or lasik surgery. The urgency of this research is driven by the increasing duration of gadget use among Ma Chung University students in June 2023  and its impact on eye refractive errors. The purpose of this study is to determine the effect of the duration of gadget use on refractive errors in students. The targeted output is empirical data on the relationship between the duration of gadget use and the incidence of refractive errors, which can be the basis for eye health interventions among students.

Refractive errors occur when the light entering the eye is not clearly focused, causing blurry or unsharp vision. The main causes of refractive errors include hereditary factors and an unhealthy lifestyle. Signs and symptoms of refractive errors include blurred vision, frequent squinting to see objects clearly, and difficulty focusing when reading, watching TV, or looking at a gadget screen. This disorder cannot be completely cured, but it can be helped with glasses, contact lenses, or lasik surgery. The urgency of this research is driven by the increasing duration of gadget use among Ma Chung University students in June 2023  and its impact on eye refractive errors. The purpose of this study is to determine the effect of the duration of gadget use on refractive errors in students. The targeted output is empirical data on the relationship between the duration of gadget use and the incidence of refractive errors, which can be the basis for eye health interventions among students.

This study aims to determine the prevalence of refractive errors in children with Down Syndrome in eye examination activities carried out during Down Syndrome Awareness Month 2023 by the East Java Association of Parents of Children with Down Syndrome (PIK POTADS). A total of 30 children with Down Syndrome underwent eye examinations, and the results showed that 18 children (72%) had myopia, 7 children (28%) had astigmatism, and 5 children were indicated to require further referral to a pediatric ophthalmologist. These results indicate that children with Down Syndrome have a high risk of experiencing refractive errors, so regular eye examinations and medical follow-up are needed.

This study aims to determine the prevalence of refractive errors in children with Down Syndrome in eye examination activities carried out during Down Syndrome Awareness Month 2023 by the East Java Association of Parents of Children with Down Syndrome (PIK POTADS). A total of 30 children with Down Syndrome underwent eye examinations, and the results showed that 18 children (72%) had myopia, 7 children (28%) had astigmatism, and 5 children were indicated to require further referral to a pediatric ophthalmologist. These results indicate that children with Down Syndrome have a high risk of experiencing refractive errors, so regular eye examinations and medical follow-up are needed.

There are parents disobey if their child has symptoms of myopia. If the eye examination is not conducted. This research aim to help parents identify the visual impairment disorders in children at SD N3 Bantul. The eye examination was carried out by using a subjective examination method. Based on the results, the data show 30 students in grades 5 A and B at SD N 03 Bantul have refractive errors. 6 students aged 11 years have myopia refractive error. 3 participants with a PD of 58mm were OD S -1.00 OS Plano with the dominant eye of the left eye. 5 participants with PD 58 showed an ODS of S-1.00. 5 participants including OD S-1.00 OS Plano. 5 participants namely ODS S -0.25 D PD 58. 3 participants namely OD S -0.50 OS Plano PD 58. 9 participants namely ODS S -0.50 D.