Besides figuring out a number of the sources of muscae volitantes, he identified that farsightedness is because of a shortening of your eyeball and that the blurred vision of astigmatism is attributable to uneven surfaces on the cornea and lens.Nhi?u nghiên c?u nh?n th?y r?ng cha d??ng th??ng có xu h??ng lo?n luân h?n cha ??. M?t nghiên c?u cá