Optic nerve Essays

I was diagnosed with Optic Nerve Glioma. It is a tumor in the brain specifically near the optic chiasm. I have been fighting cancer for almost 18 years of my life. When I had my first chemotherapy, I lost my hair. I was sad because a lot of kids used to bully me. I was ashamed of myself. Not to mention, it

Squint & Paediatric Ophthalmology Paediatric eye surgeries are used to treat a variety of eye problems. Squint (also known as strabismus) is a condition that arises because of an incorrect balance of the muscles that move the eye or faulty nerve signals to the eye muscles and focusing faults. If these are out of balance, the eye may converge (turn towards the inside), diverge (turn towards the outside) or sometimes turn up or down, preventing the eyes from working functioning together. Squint can

Fundus Camera Reticle Setup (Mydriatic) An often overlooked and critical step in obtaining sharp images is to set your reticle. The reticle is the adjustable viewfinder crosshairs and is unique to each operator’s eye visual acuity. To adjust, place a white piece of paper in front of the camera (alternatively, you can use the camera lens cap on), raise the illumination light to highest and while looking through the viewfinder, turn the eyepiece clockwise and counter-clockwise until crosshairs are

John Milton once said, “Every cloud has a silver lining.” In other words, in every dark or gloomy situation, something moral comes with it. In the short story, “The Most Dangerous Game,” by Richard Connell, a hunter named Rainsford falls overboard his yacht after hearing three gunshots. Rainsford swims toward the sound and ends up at an island called ‘Ship-Trap Island’. There, he meets a man named General Zaroff, who would do anything for a good hunt, no matter how cruel. In Ray Bradbury’s, “All

Myotonic Dystrophy- Overview The myotonic dystrophy is a multisystem disease (that affects several body systems) characterized by a difficulty in relaxation of muscles after an intentional contraction. The disease can occur in adulthood, or age perinatal; in the latter case it is called congenital and has a much more serious trend. The devices are more or less involved the central nervous system, the cardiovascular system, the endocrine system, the view, the muscles, of course, the respiratory system

Overlapping Toes Overlapping toes are a common foot deformity among children wherein your toe overlaps the neighboring one. Some people believe that overlapping toes are just a cosmetic issue, that it will not affect your everyday life. While having overlapping toes is quite unattractive, this is not the main issue. When you have overlapping toes, it can also cause pain when you are walking or running. It will affect your daily activities especially when you need to move from one point to another

October is National Chiropractic Health Month. Why not celebrate it by getting some pain relief from Stroud Chiropractic? Many people believe that their chronic pain is something that they just have to live with. They live with back pain and neck pain for years without ever getting help. A report released by the National Institutes of Health concluded that around 100 million Americans are living with chronic pain as of 2015. A lot of this pain is unnecessary. A visit to an experienced chiropractic

guidance if the person is extremely obese or has had pervious back surgery. There are no blood tests that can provide assistance in establishing a diagnosis of GBS. Specifically, the white blood cell count is usually normal and no antibodies against nerve components can be reliably detected in the blood. Theories of causation of Guillain-Barre Syndrome Many different kinds of infections can trigger an attack of GBS most commonly a respiratory infection that causes cold or influenza-like symptoms, such

Interface Lab at Case Western Reserve University), Spetic grabs the cherry between his prosthetic thumb and forefinger so that he can pull off the stem. Instead, the fruit bursts between his fingers. Next, the Haptic system is used to stimulate different nerve fibers which produces realistic sensations that Spetic perceives as coming from his missing hand: when one spot is on his hand is stimulated, he feels a touch on his right palm; when another spot on his hand is stimulated, he feels a touch on his thumb;

Chapter 2 Facial Action Coding System (FACS) 2.1 What is Facial Action Coding System? Facial Action Coding System (FACS) is the most widely used and versatile method for measuring and describing facial behaviors. Paul Ekman andWallace V. Friesen, psychologists developed the FACS in the 1970. The Facial Action Coding System (FACS) research tool is an sophisticated, internationally recog- nized, that precisely measures the entire spectrum of human facial expressions. The minutest movements of the human

OH MY GOD!!!!WHAT A BODY MANNNNN!!!!!!!!!! Body building is an art.It is the use of progressive resistance exercise to control and develop once musculature.Nowadays everyone including women goes to gym to keep their body fit,six packs are not only a style for men but also it has become a part of their personality. An individual who engages in the act of bodybuilding are known as body builder. For body building ,body building training are given,in which the professional trainers trains the people

Introduction: Syringomyelia arising from the expansion of the central canal located in the center of the medulla spinalis are rarely seen formations. The incidence is higher soon after Arnold Chiari Malformation and past spinal trauma. It may occur after the spinal cord is under the influence of external compression, when there are cord-related tumoral formations and after the cerebral spinal fluid, (CSF) dynamics in the central canal are disturbed. Although different theories have been described

Refraction: Refraction occurs when light enters a more or less optically dense medium, which therefore has a different refractive index (measure of the velocity light can travel at in the medium compared to in a vacuum in which it can travel at 2.9 x 108ms-1). This causes the light’s speed to increase or decrease, which results in the rays bending towards or away from the normal, so the position of the image formed is dependent on the refractive indices of the two media. For refraction to occur

Photography’s “mysterious” beginnings and growth due to social desires were the first instances in which it could be seen that the way people say the world around them would completely change. The human desire to continue to find a better type of production lead to the ability to mass produce images and therefore allowed for information to be spread nationally as well as international. Photography allowed people to see places they had never seen, they were able to help support scientific discoveries

"Taking pictures has become a big part of my life. It is more than a job to me. I find it so crazy because it seems like taking pictures has actually saved me from doing a lot of things that I feared would harm me. With all that I have been through, some of the pictures I have taken have been keeping me sane....they're like memories stuffed in a flat rectangle. I love what I do!” Raetilliah Hayes once stated (Hayes). What is a photographer? A photographer is someone who takes pictures, typically

How can different light sources affect the observations you can make? Different light sources show totally different forms of visible light. From the camera obscura, we could see fuzzy images with single black colors. If the sunlight were not bright enough, the image would be fuzzier. From the prism, we could see refracted spectrum of colors with clearly different wavelengths. From the spectroscope, we could the see different clearer clusters of spectra from various sources of light and elements

Microscope Type Electron (Transmission Electron Microscope AKA TEM) Light (Optical Microscope) Cell Components Seen Organelles, through to the point of being able to observe inside the nucleus Smallest observable organelle, ribosome. Cell structure Smallest visible Organelle, mitochondrion. Specimen Preparation Specimen is stained with materials such as lead, osmium and uranium salts. The salts are then absorbed by the organelles and cell membrane, but not the cytoplasm. This means that the electrons

This is a review of the Sky-Watcher 12 inch Collapsible Dobsonian Telescope. It's a terrific telescope that will allow you to see many of the planets and stars in our night sky. Whether you are watching the stars by yourself or with your children, it's a good scope for the backyard. It's sturdy and substantial, so you can set it up in the backyard without worrying that it'll get blown over with the wind. Pros of the Sky-Watcher 12” Collapsible Dobsonian Telescope Huge aperture Collapsible Powerful

Would you push the button? In Richard Matheson’s short story “Button, Button”, I think Richard showed the dialogue that was going on between Arthur and Norma to show Norma’s motivations to push the button, to build a unhappy mood between Arthur and Norma, and to introduce Norma. If Richard didn't show the dialogue between Arthur and Norma, we wouldn't know why Norma wanted to push the button, we wouldn't know how Arthur felt about Norma wanting to push the button, and we wouldn't know that Norma

BB1802 1618883 BB1802 Microscopy coursework- Introduction- Figure 1: shows the different parts of a light microscope. Light microscopes are microscopes used to examine objects using light. Light microscopy is one of the least invasive techniques used to access information from various biological scales in living cells. The combination