A feeling of a film in the eyes and blurred vision may be caused by a decrease in visual acuity or by diseases such as eye inflammation and tear film malfunction. In this case, it is recommended to go to a doctor in the department of quintessential medicine or ophthalmology to clarify the cause of the disease and treat it accordingly.1. Decreased vision: The decrease in vision due to long-term overuse of the eyes or the wrong way of using the eyes, resulting in a feeling of having a film in the eyes and blurred vision, usually without eye pain, redness and swelling. It is recommended to check the vision, if the vision is reduced can choose to correct the vision by wearing glasses, surgery and other ways to improve; 2, eye inflammation: viruses, bacteria and other infections of the cornea, conjunctiva and other inflammation, resulting in abnormal eye secretions, patients will have eyes with layers of film, see things blurred feeling, but also accompanied by photophobia, pain, redness, purulent discharge and other symptoms. You can use antibiotic eye drops such as levofloxacin drops and other medications to control inflammation, more serious cases require incision and drainage of pus, the cure rate is higher; 3, tear film malfunction: due to excessive eye use, often stay up late, irregular rest and rest, which leads to increased fat content in the tear film, water decreased, there is a layer of film, see things more blurred feeling. Generally, it can be relieved by artificial tears, but also to maintain good eye habits, do not stare at the electronic screen for a long time, do not stay up late, let the eyes fully rest, etc.; 4. Lens clouding: the most common is cataract, patients can have eyes with layers of film, the feeling of seeing things blurred, accompanied by a sharp decline in vision, with the development of the disease may eventually lead to blindness. Treatment of cataract can be done by antioxidant damage drugs such as glutathione drops, and may also be done by surgical methods such as cataract needle dialysis and cataract intracapsular extraction. 5. Vitreous clouding: It is a disease caused by vitreous degeneration and bleeding, etc. Patients may feel that their eyes have layers of film, see things blurred, and may also have flying mosquitoes, and can be treated with drugs such as amiodarone drops and vitamin E. treatment. Severe vitreous clouding can also be treated by surgical removal of the vitreous part of the lesion, or by laser ablation. In addition to the more common causes mentioned above, other conditions that can lead to blurred vision with lamina cribrosa include iritis, retinopathy, corneal clouding, increased intraocular pressure, and diabetes. When this symptom occurs, or even when there is severe vision loss and pain, you should seek treatment in a timely manner to prevent the disease from progressing more rapidly and causing irreversible eye damage.