Traditional Culture Encyclopedia - Weather inquiry - What's wrong with the hot weather and blurred eyes?

What's wrong with the hot weather and blurred eyes?

Guiding opinions:

There are many reasons for blurred vision, including 1. Corneal opacity, corneal degeneration, lens opacity, vitreous opacity, etc. Caused by various reasons, 2. Partial vitreous opacity, inflammatory vitreous opacity or hemorrhage, early detachment, 3. Macular hemorrhage, macular detachment, media, retrobulbar optic neuritis, central retinal scar, central choroidal lesion, myopia degeneration, macular degeneration, etc. It can be seen that people with black spots.