What is the difference between the iris and the pupil in the eye?
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The easiest way to explain it is this: In short, The Pupil allows light to strike the retina The Iris is responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina…
How computers affect our health
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As it's not that uncommon, it's very likely that you work a sedentary job and you have to stay in front of the computer for hours. With the technical advancements, nowadays, every company is a technology company. As a result,…
Best RGB settings for eyes
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If you sit in front of the computer multiple hours per day, you can end up with eye strain and other similar issues. Plus, what looks good on your computer usually ends up leading to eye fatigue. If you think…
Why does direct sunlight damage our eyes?
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Aside from the colors we see light constitutes of much more things Visible light is only small portion of the light that the Sun emits. The wavelengths from the router, the wavelengths from the microwave or the radio waves, all…
How would an Eye work with no Pupils?
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The condition when you donβt have pupils(iris) is called aniridia which literally means βwithout irisβ. Technically you can close your eyes a bit and you will stop the amount of light that enters the eye a bit. You can also…
Eye evolution timeline
How eyes have evolved
The origins of vision is a widely debated subject, since genetic relationships between early animals capable of sight are inconsistent. A team of researchers has conducted an extensive computer analysis that tests every proposed hypothesis on the origin of vision…
Optical illusions
and How our brain trick our eyes
Optical Illusions can use color, light and patterns to create images that can be deceptive or misleading to our brains. The information gathered by the eye is processed by the brain, creating a perception that in reality, does not match…
Macular Pigment
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Macular pigment is comprised of Zeaxanthin and Lutein, which are found in the center of the macula (fovea) at a natural 2:1 ratio. MPOD (Macular Pigment Optical Density) is important for three specific reasons: 1. Low macular pigment is…
Evolution – How Eyes Evolved
and the story of our eyes
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