Eye trauma for ten days with flashes of light in the corner of the eye is usually caused by vitreous hemorrhage, vitreous clouding, retinal detachment and other reasons. 1. Vitreous hemorrhage: vitreous hemorrhage can be caused by ocular trauma resulting in blood vessel rupture and bleeding, the patient may experience vision loss, accompanied by symptoms such as flashing sensation. 2. Vitreous clouding: Vitreous clouding generally refers to opacity in the vitreous body, usually caused by eye trauma, intraocular foreign body retention, etc., and the patient may have symptoms such as fluttering black shadows in front of the eyes and flashing sensation. 3. Retinal detachment: Retinal detachment generally refers to the separation of the neuroepithelial layer and the pigment epithelial layer, usually caused by high myopia, eye trauma and other reasons, the patient may experience flashes of light, visual field defects and other symptoms. When the eyes are traumatized and there is discomfort such as flashing sensation, you should consult a doctor as soon as possible for examination to clarify the condition and actively cooperate with the treatment so as not to make mistakes.