Having what appears to be a cloudy film on the eye can interfere with daily tasks and decrease quality of vision. The human eye has many structures than can be affected by conditions that cause symptoms of cloudy vision.

Dry eyes are caused by a lack of tears or poor quality tears, which can cause the corner of your eyes to become dry. There are a few possible reasons for this -- age, the environment, medications, medical conditions.

While contact lenses are designed to enhance your vision, they can also cause problems with your eyes. Dry eyes and irritation are common issues that occur in contact lens wearers, according to the American Optometric Association.

Bifocals are the most common type of multi-focal prescribed for people over 40, according to the Cleveland Clinic. Bifocal fit and placement is an essential part of a person's eyeglass prescription.

Approximately 33 million Americans experience dry eye symptoms, including dryness, irritation, burning and grittiness, according to VisionWorksUSA.com. Dry eye is directly related to the underlying health condition of the entire body, according to Dr. Marc Grossman, O.D.

Pregnancy causes most parts of a woman’s body to change, and the eyes are no exception. Dry eye is a common pregnancy ailment that usually begins toward the end of the first trimester. It will usually continue throughout the pregnancy and possibly for a few months after the baby’s birth.

Eye redness gives your eyes a bloodshot look, and this condition may stem from benign causes such as lack of sleep. You may have redness from eye conditions such as dry eye, infections or a broken blood vessel.

You probably have suffered some form of mild eye irritation at some point in your life; this inflammation can cause eye redness, watering, pain, blurred vision and sensitivity to light.