The sudden appearance of watery eyes is mostly considered to be FMS or vitreous clouding, which can be treated by eye drops, laser, etc., and in severe cases, surgery is required. With the increase of age or other causes of intravitreal collagen or sodium hyaluronate dehydration or denaturation, can appear mosquito or vitreous clouding, can be treated with eye drops, common drugs for iodine agent, such as amiodarone peptide eye drops. It can also be treated by laser therapy, through the photothermal effect of laser, the cloudy vitreous body will be crushed, crushed by the eye after absorption to achieve the therapeutic purpose. In addition, vitreous disease can lead to retinopathy, should be timely to the local regular hospital to receive examination, to exclude retinopathy, such as retinopathy, most patients need to undergo surgery. The use of medication should be under the guidance of a physician, and should not be used blindly.