RecruitingClinical trialDeveloping and Testing a Model to Identify Preventive Vision Loss Among Older Patients in General PracticeIn this cohort study, the investigators will test vision screenings in Danish general practice for patients over 70 years of age with minimum one chronic condition. The main outcome is detection of vision impairment and secondary outcome is detection of conditions needing ophthalmologic follow-up but not presenting vision impairment at present time.