COMPUTER VISION SYNDROME Digital eye strain (DES) is the term used for a variety of eye conditions and vision-related symptoms linked to the prolonged use of digital devices such as mobile phones, tablets and, computers. It is also known as computer vision syndrome (CVS) and visual fatigue (VF). - Blurred vision Eye strain (Asthenopia) Headaches Dry eyes Neck and shoulder pain Other reported symptoms of DES include: Eye discomfort Difficulty refocusing the eyes from near to distant objects and from distant to near objects Irritation of the eye Sensitivity to bright lights