The causes of fundus macular degeneration mainly include:
The first is congenital eye dysplasia.
The second one is fundus macular degeneration caused by high myopia.
The second one is having chronic diseases, such as diabetic fundus lesions. The first way to prevent this situation is to protect your eyes. Try not to stay up late and look at your mobile phone less. The second thing is that if you have chronic diseases such as diabetes, you must control the underlying disease. Hope my answer is helpful to you.