Mathematics of Human Vision and Corrective Lenses :: Math Eye Glasses Contacts Contact Lens

Missing figures/tablesIt is a daily ritual...wake up, eat, shower, contacts, class. I do this both morning, however I have never stopped to think, Why?No, non Why am I going to class so early? simply Why do I need these contacts? With this project I volition attempt to explain the basics of vision and corrective lenses, as I, myself, finally charter the reason for sticking my finger in my eye every morning. staple fiber Eye AnatomyThe cornea is responsible for protecting the eye and for refracting incoming light rays.The student is merely an opening that allows light to enter into the eye. Its black color is attributed to the incident that light is not able to exit the eye through the pupil.The iris acts to fudge the size of it of the pupil. In bright light, the iris is dilated in such a way as to reduce the size of the pupil and limit the amount of ingress light. In dim light, the iris adjusts its size as to maximize the size of the pupil and increase the amount of incomin g light.The crystalline lens is a fibrous, jelly-like poppycock that serves to fine tune the vision process by adjusting its shape and indeed the focal length of the system.The ciliary muscles relax and contract to change the shape of the lens.The retina contains rods and cones which obtain the intensity and frequency of incoming light and, in turn, send pump impulses to the brain. Behind the EyeThe four main components of the eye that are responsible for producing an word picture are the cornea, lens, ciliary muscles and retina. Incoming light rays first encounter the cornea. The convex shape of the cornea causes it to refract light similar to a convex lens. Because of the great passing in optical density between the air and the corneal substantive and because of the shape of the cornea, most of the refraction to incoming light rays takes place here. Light rays therefore pass through the pupil, and then onto the lens. A small amount of spare refraction takes place here as the light rays are fine tuned so that they focus on the retina.This is a representation of the eyes lens system. This eye has no eye condition, such as nearsightedness or farsightedness, and the lens is drawn in its relaxed position. The light rays are focused appropriately on the retina. The thickness of the cornea is 0.449 mm, the standoffishness from the cornea to the lens is 2.Mathematics of Human Vision and Corrective Lenses Math Eye eyeglasses Contacts Contact LensMissing figures/tablesIt is a daily ritual...wake up, eat, shower, contacts, class. I do this every morning, however I have never stopped to think, Why?No, not Why am I going to class so early? but Why do I need these contacts? With this project I will attempt to explain the basics of vision and corrective lenses, as I, myself, finally learn the reason for sticking my finger in my eye every morning.Basic Eye AnatomyThe cornea is responsible for protecting the eye and for refracting incoming light rays.The pupil is merely an opening that allows light to enter into the eye. Its black color is attributed to the fact that light is not able to exit the eye through the pupil.The iris acts to control the size of the pupil. In bright light, the iris is dilated in such a way as to reduce the size of the pupil and limit the amount of entering light. In dim light, the iris adjusts its size as to maximize the size of the pupil and increase the amount of incoming light.The crystalline lens is a fibrous, jelly-like material that serves to fine tune the vision process by adjusting its shape and therefore the focal length of the system.The ciliary muscles relax and contract to change the shape of the lens.The retina contains rods and cones which detect the intensity and frequency of incoming light and, in turn, send nerve impulses to the brain. Behind the EyeThe four main components of the eye that are responsible for producing an image are the cornea, lens, ciliary muscles and retina. Incoming light ray s first encounter the cornea. The bulging shape of the cornea causes it to refract light similar to a convex lens. Because of the great difference in optical density between the air and the corneal material and because of the shape of the cornea, most of the refraction to incoming light rays takes place here. Light rays then pass through the pupil, and then onto the lens. A small amount of additional refraction takes place here as the light rays are fine tuned so that they focus on the retina.This is a representation of the eyes lens system. This eye has no eye condition, such as nearsightedness or farsightedness, and the lens is drawn in its relaxed position. The light rays are focused appropriately on the retina. The thickness of the cornea is 0.449 mm, the distance from the cornea to the lens is 2.