Patients with vitreous clouding can be treated with laser ablation. After the treatment, patients may suffer from eye inflammation and short-term vision loss. 1. Eye inflammation: laser ablation of vitreous clouding preoperative preparation requires the use of anesthesia, under the effect of anesthesia to the surface of the eye to place the laser lens, due to the cornea is very fragile, if the patient inadvertently rubbing the eye, may cause corneal epithelial damage, resulting in eye infection. Patients can follow the doctor’s instructions to use levofloxacin eye drops, erythromycin eye ointment and other medications to control inflammation. 2. Short-term vision loss: laser ablation of vitreous opacity requires pupil dilation, and after dilation, the pupil is in a state of dilation, seeing things can be faint, flowery, and it is difficult to see near objects. In addition, patients may appear photophobic symptoms, patients can wear sunglasses and other measures to protect the eyes. It is recommended that patients after laser ablation follow the doctor’s instructions for care, regular review, and timely consultation when discomfort occurs.