The primary symptom of sunlight retinal choroidal burn is initially glaucoma. In mild cases, the macula becomes darker; in severe cases, it is edematous and elevated, gray, with small hemorrhagic spots, and in typical cases, there are yellow and white dots in the central macula, surrounding the pigment spots, and in severe cases, perforation and retinal detachment can be formed. What are the causes of flare sensation? The following are the causes of flare sensation: 1, mainly by short infrared and visible light through the refractive interstitial zigzag aggregation point, the heat generated by the retinal choroid burns, mostly seen in the naked eye observation of the eclipse caused. 2, young people and orthoptic eyes are more common, while highly myopic eyes are less common. And with the nature of the eclipse, season, time, weather, cloudy or sunny related. 3, and their own emotions are not good, angry and anxious, more strenuous have a certain relationship.