What are the current and future implications of optical prosthetics?
Jacob Eng
003137-0015
Extended Essay: Design Technology
May 2016
Word Count:
Introduction
For a long time it has been impossible to make a prosthetic for the eye. Instead people have made tools to fix existing eyes that just improve existing The human eye is a very intricate system that is extremely hard to replicate. We could make prosthetic limbs that work the same way as the originals, prosthetic hearts that can replace old and failing hearts, but never been able to make a prosthetic eye that can actually see. There are 10 million people in the U.S. and many more worldwide who are blind or are facing blindness due to diseases of the retina, diseases like macular degeneration, and there 's little that can be done for them. There are some drug treatments, but they 're only effective on a small fraction of the population. And so, for the vast majority of patients, their best hope for regaining sight is through prosthetic devices. The problem is that current prosthetics don 't work very well. They 're still very limited in the vision that they can provide. For example, with these devices, patients can see simple things like bright lights and high contrast edges, not very much more, so nothing close to normal vision has been possible. One To know about how to cure blindness we must first know how the eye works and more importantly what are the different causes of
Prosthesis is a term used for replacing a human body part which has been damaged or cut accidently with an artificial one. Hybrid prosthetic limb is a combination of mechanical and electrical circuit in which a controller gives command to electrically driven motor for the gripper opening and closing. Signal for the gripper opening or closing is acquired from the other shoulder movement. A strap on the shoulder is tied to a string which switches on or off the limit switch to give a trigger signal. This trigger signal actuates the motor in the gripper to perform open or close operation.
Eye Vision Inc, a long-standing medical device manufacturer, has signed a contract to sell Holland Hospital the Clear View Laser and a two-year separately priced maintenance plan for $1 million and $0.2 million respectively. On a when-and-if available bais, Eye Vision Inc. will provide software updats that is embedded with the Laser to maintainance purchasor. The software has never been sold without Laser for its functional necessity. In this memo, as explained below, we conclude that:
Flynn was able to detect the pattern of horizontal, vertical and diagonal lines on a computer screen using the implant”. You will go from seeing only the light perception to being able to see your hand movement and count your fingers but “the implant cannot provide any highly detailed vision - but previous studies have shown it can help patients to detect distinct patterns such as door frames and shapes”. The patient will be able to change his/hers field of vision by each electrode to be able to customize the best way to make out shapes or contrasts to suit their lives and different activities. Yes, the vision will be black and white, mainly in grayscale “Patients with retinitis pigmentosa see at most when the light is on or off. With the bionic eye they will not fully recover the vision: they will see in black and white - by contrasts -, and will greatly improve their ambulatory capacity”. Though this type of vision will not be good enough to compare with say someone with normal vision and is by no standards enough to let someone live like a normal person, but the fact that something like this is possible is no doubt an important and very hopeful advance in
As such, with more government funding into the medical field, technology like the 3-D printer could one day develop into the future of all organ transplants. This process may happen sooner
Prosthetics has always been part of most of our history, and it has come a long way since then. Forms of prosthetics date way back to the Civil War, and has made a lot of progress throughout the years. During the Civil War, many soldiers would have to be amputated everyday to save their lives. For example, in the text “I Will Not Get Out of Heart Yet,” it states that “Soldiers shot in the arm or leg on the battlefield were highly likely to develop potentially fatal infections, and the only way to prevent a painful death was to cut off the damaged body part.” Despite this fact, prosthetics were extremely uncomfortable to wear and were considered “crude contraptions” and “ were usually made of wood or steel --- that were awkward and painful to wear.” Many soldiers did not like having prosthetic limbs, as they were uncomfortable to wear and awkward to move around with.
From peg legs and hooks to robotic arms and legs, prosthetics have made an outstanding leap. Prosthetics have enabled amputees to regain mobility and their lives. The advancements in prosthetics have also led to a better understanding in surgical amputation and the construction of prosthetics. The question is what influenced the advancements of prosthetics and how it affected prosthetics. The answer lies within the history and the physiological components of prosthetics. Mobility and function, physiological components, and war all played an important role in the advancements of prosthetics.
9. Visionary Optical Research has patented a new type of implantable lens for people with serious eye defects. It does not have access to the financial assets or marketing expertise to begin manufacturing and selling the lenses on a large scale.
They must have permission from the health regulators due to genetic engineering being illegal in the United States. Though genetic engineering is currently illegal, the DNA that is being edited by scientists has the potential to cure blindness as the DNA is a mutated gene that causes a blinding disorder. This disorder means proteins are incorrectly “printed” causing the retina to not function appropriately. The scientists at Editas are looking to move forward with this by 2017 even though other scientists believe it is too soon to begin a trial on this. (Knapton)
Prosthetic limbs have been around for centuries, but what is one thing they all have in common? They have all been a nuisance. In recent years technology of the modern day Prosthesis has ventured to new heights, but they have not perfected an artificial limb yet. With the amount of people in need of prosthetic limbs, the demand for a perfect prosthesis is tremendous. The perfect prosthesis shouldn’t feel or even look like an artificial limb. Prosthetics should go unnoticed throughout the rest of the amputee’s life.
It’s a similar concept with technology in medicine, every day someone somewhere is coming up with a new invention that will change how we see certain areas in medicine forever. The same can be considered with the bionic ear, at this moment they can use gene therapy to bring a whole new level to the field. And even though the neurotrophins do stop working after a few months it’s said that they the changes it made continued to remain. Maybe someday they will be able to develop the mechanism of the bionic ear itself to where it doesn’t need the portion that is carried in the pocket or on the belt. It is even possible for them to develop a way to just regrow what is needed for full hearing. (“Bionic Ear Technology Used for Gene
Attention getting device: Vision is one of our most used senses; in the world today many people struggle with this sense. Today I’m going to be talking about a way to help improve this sense for many people; I’m going to be talking about LASIK eye surgery.
This patent explained the science and theory behind the Ocumetics Bionic lens. The bionic lens is substantially an inflatable intra ocular lens, which can replace the human crystalline lens. When the human lens is taken out, the bionic lens can be directly compressed by the lens capsule or the ciliary muscle to alter the refractive state of the eye. Having the scientific authority, the patent detailed demonstrate the mechanism of the bionic lens hooking onto the front lens capsule and consequentially change the refraction to focus on an object. This resource is
Take a second, and imagine your life as a teenager, fresh out of college with, aspiring to get a degree in whatever your heart desires. You’ve got lots of ambition and potential. The world is at your fingertips; you can do anything you set your mind to. But one day, tragedy strikes and the unthinkable happens: you lose a limb. Why is not important, but what the future entails is. Let’s say this limb is your right arm, the one you have used all your life to write, eat, type and play the guitar. Now let’s change the scenario a little bit. Instead you’ve lost your legs in a horrific car accident where both were crushed under the weight of the dashboard as your car collided with the 4x4 in front of you. You wake up the next day in the hospital groggy, barely remembering what happened. Shock is the only thing running through your mind the moment you look down to see your legs missing. Your brain thinks they’re still there because yesterday you were just getting out of bed for your morning jog. All that remains are the stubs where your legs used to be and the unbearable thought of being confined to a motorized chair for the rest of your life.
who want limbs that function faster and better. Their demands push the limits of prosthetic
There are over 11.4 million amputees worldwide in need of prosthetic limbs. Traditional methods of producing prosthetics limit availability due to cost and durability. While the technology is still very new and not well developed, 3D-printing is the future of prosthetic limbs. 3D-printed prosthetic limbs may be printed with different materials, and provide quick production with a lower cost, which can increase the availability of prosthetic limbs to more amputees.