10 Incredible Facts about the Human Eye

10 Incredible Facts about the Human Eye – the human eye is so amazing and complex! So many things to discover!


I’m shortsighted, veeery, since I was 11 years old. I cannot be without glasses or contact lenses – or else I only see silhouettes. I am, actually, very very grateful to the ones who invented glasses and contact lenses (in 2004, it was estimated that 125 million people worldwide use them). Who doesn’t love seeing the beauties of the world, paintings, images! I have the biggest respect and sympathy for the ones who cannot see – I wish everybody could. I’m not saying that they have a bad life, just different. We can always find happiness in life. For me, one of them is to be able to see things. So I thought that a post about the incredible human eye would be good :) Did you know about the points below? Do you have any to add? I’d love to know more about the topic!

10-Incredible-Facts-about-the-Human Eye

1. Maybe you have never thought of that, but eyes can also suffer sunburn. No wonder sunglasses must have UV protection!

2. If eyes were a camera, they would have nearly 576 megapixels!

3. The human eye distinguishes nearly 10 million different color shades!

4. Our retinas cannot detect the color red! Our retinas have red, green and blue colour receptors, but the “red” receptor only detects yellow-green and the “green” receptor detects blue-green. Our brains combine these signals and turns them into red! Here the full article.

Chinese patterned bag

A color we cannot detect… and my favorite one, how come! RED!

5. About colors: the pigmentation of an iris can range from very light amber yellow to a very dark brown (55% of the world’s population), bordering on black. The darkness of the iris depends on its concentration of melanin. The greater the concentration of melanin, the darker the eye color.

If you have blue eyes (8% in the world), you share the SAME ancestor with every person with blue eyes in the world – a person who lived close to the Black Sea more than 10,000 years ago, historians say. Blue eyes are more sensitive to light.


–  Only 2% of the world’s population have green eyes or about 140 million people.  Green eyes possess low to moderate amounts of melanin. However, green is actually not a pigmentation of the iris at all.  And hazel eyes – that belong, in fact, to the green range – are completely different than other eye colors, with deep pigments of blue and emerald green. And that is my color :)

6. On average, we blink 17 times a minute. And 10% of our whole time we spend with eyes closed.

7. It is impossible to sneeze with open eyes :)

8. There is a phobia involving eyes: Ommetaphobia or ommatophobia. It is the fear of eyes. Sufferers would neither touch their eyes nor make eye contact and even by seeing eyes they will show anxiety symptoms.

9. Our eyes are almost the same size as when we were born.

10. Our tears show different composition based on feelings – if something makes us sad or if it’s just an irritation or yawning.


Finishing Touch and Mood of the Week


Wishing you a beautiful week with many smiles! Thanks for the sweet comments!

Bloglovin’ / Facebook Twitter Pinterest 

50 thoughts on “10 Incredible Facts about the Human Eye

  1. Bom dia
    Meu Deus que coisa mais surpreendente sobre os olhos!!
    Acho a coisa mais fantástica do mundo poder ver,e apreciar tanta coisa linda não é?
    Os olhos dizem muito sobre nós uma coisa que me deixa bem contrariada é alguém conversar comigo e não olhar nos meus olhos.
    Meu pai dizia que quem não olha nos olhos do interlocutor é porque deve algo para este..
    Bom seria se todos nós pudêssemos sempre olhar nos olhos das outras pessoas.
    Beijos boa semana amiga.

  2. Hi Denise,
    I hope you are doing well. I attended Art school and I was obsessed with drawing the human eye. I’m not sure what it was but it was something about eyes and hands that was so beautiful to me. I mastered the skill then lost it over the years, and I had no idea eyes were so darn interesting. I’m one of those people that have always had great vision but I love where clear glasses because I look so darn cute in glasses. I had no idea eyes could get sunburned. I know blue eyes were exotic but I had no idea there is so much history behind it. Thanks for sharing Denise. I hope you are having a wonderful holiday season.

  3. Very interesting facts! I like dark green eyes and I had written a post about this color as I find it very fascinating.
    I knew about the sneezing part, but I had no idea about the phobia. Sometimes I’m scared of eyes in photos!
    Have a nice day!!!

  4. Such an eye opening post, literally! I had no idea that we blinked 17 times in one minute! Very interesting! Love the fact that I always learn something from you! Thanks so much for sharing, Denise!

    PS: Thank you for your kind condolence wishes re: my pup Bodhi. It truly meant a lot to me and my family.
    Happy Wednesday, babe!
    xoxo, Vanessa

  5. I loed reading this post, Denise. You always give us such interesting topics. After my optometrist told me that I really should be wearing sunglasses more to protect my eyes I try to keep them in my handbag, most people only think to wear them in summer or spring. Interesting facts about eyes. I hope you are doing well and having a calmer week. We are in the beginning stages of holiday prepping soon, but cannot decorate our mantle until they finish painting. /Madison :)

  6. Some really interesting facts here, hun! I am actually short-sighted as well and have been since I was 8 years old! I’ve had to wear glasses for so many years now, but then I switched to contact lenses and never looked back, to be honest. Really enjoyed reading this post hun, and would love to see more like this! Hope you’re doing well, lovely. <3 xoxo


  7. Qué posta tan interesante!! Me encantó leer estos hechos, algunos los sabía otros no -amo los datos curiosos!! Me sorprendí mucho con lo que no detectamos color rojo, o cuántas veces por minuto pestañeamos. Gracias por compartir, me divertí mucho leyendo! 😀
    Espero que estes muy bien y que tengas un hermosisimo fin de semana <3


  8. This was so interesting!

    I can attest to blue eyes being sensitive to light, mine are very sensitive.

    My husband has hazel eyes that change colour depending on his mood. They are very sexy!


  9. Woow. I just learned some new stuff here 😀 These are really interesting facts and some are even shocking. But this is such an interesting post. I love to learn new things like that, it is amazing.

    I hope you are having an awesome weekend!
    -Keep smiling! :)

  10. Oh these were really interesting, I never knew many of these facts! Thanks for sharing :)

    Hope you are having a lovely weekend! I’m surprised it’s December already, but excited too, we are going to put up our Christmas tree this weekend and we are going to a Christmas party today.

    Away From The Blue Blog

Leave a Reply to jointyicroissanty Cancel reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>

CommentLuv badge