Cataracts, a clouding of the eye's lens, are the leading cause of blindness globally, affecting millions of people.

Vitamin A, particularly in the form of retinol, plays a crucial role in maintaining healthy vision and preventing night blindness.

Regular eye exams are essential for detecting and addressing eye problems early. Adults should generally have their eyes checked every two years.

Glaucoma is a group of eye conditions that involve increased pressure within the eye, potentially leading to optic nerve damage and vision loss.

Amblyopia, also known as lazy eye, is the leading cause of vision loss in children. It occurs when one eye is weaker than the other, resulting in decreased vision in the weaker eye.

Diabetic retinopathy is a complication of diabetes that affects the blood vessels in the retina, potentially leading to vision loss.

The cornea's primary function is to focus light onto the retina, enabling clear vision.

Floaters are small, moving specks or shapes in the field of vision caused by tiny clumps of cells or debris in the vitreous humor.

The pupil's primary function is to control the amount of light entering the eye by adjusting its size.

Age-related macular degeneration is a common eye condition in older adults, causing progressive damage to the macula and potentially leading to vision loss.

The recommended daily intake of vitamin A for adults is 5,000 IU, which can be obtained through a balanced diet or supplements.

Strabismus, commonly known as crossed eyes, is a condition where one eye turns inward or outward, causing misalignment of the eyes.

The lens's primary function is to focus light onto the retina, enabling clear vision.

Nystagmus is a condition characterized by involuntary, rapid eye movements that can be horizontal, vertical, or circular.

The retina's primary function is to convert light into electrical signals that are transmitted to the brain via the optic nerve.