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Computer vision syndrome (CVS) is a condition caused by focusing the eyes on a computer or other display device for long periods of time. It can result in symptoms such as headaches, blurred vision, eye strain, dry eyes, and difficulty refocusing the eyes.
Dry eye syndrome, also known as keratoconjunctivitis sicca, is a condition of having dry eyes that can affect vision and eye health. Learn about the causes, such as age, contact lenses, medications, and meibomian gland dysfunction, and the treatments, such as artificial tears, eye drops, and surgery.
Micropsia is a condition of visual perception in which objects appear smaller than they are. It can be caused by optical, retinal, brain or psychological factors, and can be diagnosed by various tests and imaging techniques.
The tears may have preservatives that irritate your eyes. You may need a prescription-based treatment to target the cause of your dry eye. If these strategies don't work, see an eye doctor to ...
It does so by absorbing light, and thus preventing it from getting to the underlying layers. The layers underlying the retinal pigment epithelium are very vascularlized so they have very high oxygen tension. Thus, if light was to get to those layers, many free radicals would form and cause damage to nearby tissues.
Fatigue is a state of tiredness, exhaustion, or loss of energy that affects daily functioning. It can be caused by various factors, such as sleep deprivation, medications, diseases, or stress, and may have different features and patterns depending on the cause.
Learn about the process of measuring eye positions and movements, the devices and techniques used, and the fields and domains that apply eye tracking. Explore the history of eye tracking research, from direct observations to video images, and the challenges and controversies of interpreting eye movements.
Learn about visual perception, the ability to interpret the environment through different types of vision, such as photopic vision (daytime vision) and scotopic vision (night vision). Explore the history, physiology, and psychology of vision science, from ancient theories to modern research.