{"type":"video","version":"1.0","html":"<iframe src=\"https://www.loom.com/embed/cdc2143048c34dfe8a96dbf0cc73042e\" frameborder=\"0\" width=\"1920\" height=\"1440\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>","height":1440,"width":1920,"provider_name":"Loom","provider_url":"https://www.loom.com","thumbnail_height":1440,"thumbnail_width":1920,"thumbnail_url":"https://cdn.loom.com/sessions/thumbnails/cdc2143048c34dfe8a96dbf0cc73042e-00001.gif","duration":931.333333,"title":"Tutorial 3: Measuring LogMAR acuity using the Thomson Test Chart"}