Astigmatism is an uneven or irregular curvature of the cornea or lens, which results in blurred or distorted vision. Other symptoms of astigmatism include the need to squint, eye strain from squinting, headaches and eye fatigue.
Farsightedness, medically known as hyperopia, refers to vision that is good at a distance but not at close range. Farsightedness occurs when the eyeball is shorter than normal, as measured from front to back, or when the cornea has too little curvature.
Nearsightedness, medically known as myopia, refers to vision that is good at close range but not at a distance. It generally occurs because the eyeball is too “long” as measured from front to back.
Aging eyes, medically known as presbyopia, is a condition in which the lens of the eye gradually loses its flexibility, making it harder to focus clearly on close objects such as printed words. Distance vision, on the other hand, is usually not affected.
Dry Eye Syndrome
Dry eye syndrome refers to a breakdown in the quantity or quality of tears to moisten, cleanse and protect the eyes. This is significant because, with each blink, tears protect the surface of the eye, washing away dust and microorganisms. When this protective coating dries up, the eyes may feel “gritty” or burn and can be more sensitive to light. In extreme cases, vision can be blurred.
Computer Vision Syndrome
Computer Vision Syndrome is characterized by neck pain, blurry vision, stiff shoulders, headache and watery eyes when working in front of a computer screen. The symptoms are typically due to posture, dry eyes, eye muscle coordination and poorly corrected vision.
Blepharitis is any inflammation of the eyelid and eyelashes. It is among the most common and stubborn eye conditions usually resulting from poor eyelid hygiene, a low-grade bacterial infection (usually staphylococcal), an allergic reaction and/or abnormalities in oil gland function.
A cataract is a clouding of the eye’s normally clear lens, which leads to a progressive blurring or dimming of vision. It is the world’s leading cause of blindness and among the most common conditions related to aging.