The light in fundus photography is natural light, so it will not cause any harm to the eyes, so don’t worry about that, and the duration of fundus photography is usually not too long, usually only about a few minutes, so this situation will not cause any harm to the eyes. Fundus photography is mainly used for the examination of fundus diseases, such as retinopathy, retinal detachment, hemorrhagic diseases, etc. Fundus photography can visually show the extent and degree of fundus diseases, so that the treatment is more targeted. Therefore, if fundus diseases exist, you need to go to a regular hospital for detailed fundus examination, including direct fundus examination, indirect fundus examination, fundus imaging, etc. These methods can help make an accurate diagnosis of the disease and are helpful for treatment.