Presbyopia is a refractive error that makes it hard for middle-aged and older adults to see things up close. It happens because the lens shrinks due to exessive wrong usage of eyes and age related factors.
A squint (strabismus) also commonly known as cross eyes, is where the eyes point in different directions. It’s particularly common in young children, but can occur at any age.
Lazy eye (amblyopia) is reduced vision in one eye caused by abnormal visual development early in life. The weaker — or lazy — eye often wanders inward or outward. Amblyopia generally develops from birth.
Dry eye happens when your eyes don’t make enough tears to stay wet, or when your tears don’t work correctly. This can make your eyes feel uncomfortable, and in some cases it can also cause vision problems.
Keratoconus occurs when your cornea — the clear, dome-shaped front surface of your eye — thins and gradually bulges outward into a cone shape. A cone-shaped cornea causes blurred vision and may cause sensitivity to light and glare.
A migraine is a headache that can cause severe throbbing pain or a pulsing sensation, usually on one side of the head. It’s often accompanied by nausea, vomiting, and extreme sensitivity to light and sound.
Nystagmus is a condition where the eyes move rapidly and uncontrollably. They can move side to side (horizontal nystagmus), up and down (vertical nystagmus), and in a circle (rotary nystagmus). The movement can vary between slow and fast and usually happens in both eyes.
Digital eye strain is a group of eye and vision problems. The problems can include eyes that itch and tear, and are dry and red. Your eyes may feel tired or uncomfortable. You may not be able to focus normally. These problems are caused by excessive and wrong usage of digital devices.
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