Refractive errors, especially myopia, have been more common in recent years and are continuing to rise internationally. Information on the causes of vision decline provide a solid foundation for recommendations in public health policy, such as national budgeting and health-care planning, as well as scientific research. Objective: Our aim is to assess the relation between Visual acuity and time of studying on electronic devices among deferent academic level of the medical student. This study will be cross-sectional. The target population is medical students' males and females in Riyadh, KSA with a total sample of 253. Methods: A cross-sectional design was conducted; the study was based on a visual acuity examination and questionnaire that is prepared especially for it. The data was cleared, coded and entered by using (SPSS). Result: The study included 253 medical students who completed the visual examination and the study questionnaire in which 53.8 %were female and 46.2% were males mean age of participants was 22 years. We found that 32.42% of participant had 6/6 of visual acuity. Conclusion: The study concludes that there is association between visual acuity and the time spent on studying using electronic devices.

Introduction: Burnout syndrome (BS) results from chronic occupational stress and several interpersonal pressures that combine to cause psychological symptoms, including adverse impacts on academics and personal life carry over into their professional lives. Due to the demanding nature of medical education with limited time, medical students are more likely to have Burnout than the general population. Objective: This research aims to identify the prevalence of BS and its relationship with GPA among medical students at Almaafra college in Riyadh. Methodology: A cross-sectional study was conducted at Almaarefa University among medical students, Riyadh, Saudi Arabia. A survey (The Maslach burnout inventory-student survey (MBI-SS)) was administered and answered the study's objectives. The data was analyzed with SPSS 23 version, Microsoft Excel and presented in tables. A p-value of < 0.05 is considered significant. Result: The study included 197 medical students who completed the Maslach burnout inventory-student survey. 58 (29%) of the study participants were male and 139 (71%) were female. Of most participants, 60 (30.5%) were in the fifth academic year and 91 (46%) of the participant's GPAs were improving. Conclusion: The study concludes that there is a low level of Burnout among medical students 17 (8.63%) at Almaarefa university. However, It showed no relationship with the student's GPA .