What’s wrong with your eyes that you can’t see as if they’re covered with something?

The patient can’t see well as if a layer of something is covering over his eyes, which may be caused by eye secretions, and may also be obstructed, and also be considered to be related to myopia, cataract or glaucoma and other diseases.
1. Secretion masking: If there is secretion present in the patient’s eye, the secretion can move on the eyeball with the blinking action, and when it moves to the front of the cornea, it can lead to the patient’s performance of blurred vision.
2. Refractive error: myopia, astigmatism and other refractive errors in patients because parallel light through the refractive system of the eye, can not be imaged on the retina, patients may appear blurred vision, double vision and other discomforts.
3. Cataract: The occurrence of cataract is related to a variety of factors, such as aging, heredity, trauma, radiation, immune diseases or local nutritional disorders. Cataract patients have cloudy lens, affecting the light into the eyes, patients may have blurred vision.
4. Glaucoma: elevated intraocular pressure in patients with glaucoma can lead to clouding of the cornea, which can also cause blurred vision, accompanied by eye swelling and pain, photophobia, tearing and other uncomfortable symptoms.
It is recommended that patients with blurred vision consult a doctor to assess their condition and follow the doctor’s instructions for treatment.