Interesting facts about eyes
- Your eyes can distinguish roughly 10 million different colours — more than any camera.
- The cornea is the only part of the human body that has no blood vessels. It gets its oxygen directly from the air.
- On average, you blink about 15–20 times per minute. That adds up to more than 10 000 blinks every day.
- Your eyes contain more than 2 million working parts and are the second most complex organ in the body (after the brain).
- The image that lands on your retina is actually upside-down and backwards. Your brain flips it the right way up in a fraction of a second.
- An adult human eye is about the size of a large grape and weighs approximately 7.5 grams.
- Your eyes never fully stop moving — even when you think you are staring fixedly, they make tiny, rapid movements called microsaccades.
- The iris (the coloured part of the eye) has 256 unique characteristics, making it more distinctive than a fingerprint (which has about 40).
- In complete darkness, a healthy human eye can detect a single candle flame from as far as 2.5 kilometres away under ideal conditions.
- Babies are born with eyes that are almost adult size. Most of the growth of the eye happens in the first few years of life.
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What to Know About Your Eyes and Eye Care After Cataract Surgery
Cataract surgery can significantly improve your vision, allowing you to enjoy a clearer, brighter view of the world. However, proper eye care after surgery is essential for a smooth recovery and long-term eye health. Understanding what to expect during the healing process, following your surgeon’s instructions, and knowing which activities to avoid can help protect your eyes and support comfortable healing.
At Nelspruit Eyewear, we understand the importance of looking after your vision following cataract surgery. From managing common symptoms such as blurred vision, dryness and light sensitivity to recognising warning signs that require medical attention, being informed can make a significant difference. In this article, we explore essential aftercare tips, important do’s and don’ts, and when you may need an updated prescription for glasses.
Maintaining healthy vision doesn't end once your eyes have healed. Regular eye examinations, appropriate prescription eyewear and ongoing professional eye care remain important for protecting your eyesight. Whether you've recently undergone cataract surgery or are preparing for the procedure, Nelspruit Eyewear in Nelspruit is here to support your journey towards clearer, healthier and more comfortable vision.







