LASIK SURGERY Laser-Assisted in Situ Keratomileusis LASIK or Lasik (Laser-Assisted in Situ Keratomileusis)‚ commonly referred to as laser eye surgery‚ is a type of refractive surgery for the correction of myopia‚ hyperopia‚ and astigmatism. The LASIK surgery is performed by an ophthalmologist who uses a laser or microkeratome to reshape the eye’s cornea in order to improve visual acuity. For most patients‚ LASIK provides a permanent alternative to eyeglasses or contact lenses. Major side effects
Premium Ophthalmology Contact lens
haven’t heard about it before: robotic surgery. Today‚ I would like to inform you about the definition and the types of robotic surgery‚ their advantages and their disadvantages. let us start by introducing robotic surgery. Defined by Allrefer.com: « Robotic surgery is a technique in which a surgeon performs surgery using a computer that remotely controls very small instruments attached to a robot». () In his article‚ What are the types of robotic surgery?‚ Mike selvon explains about the diverse
Premium Surgery
Transplant surgery can be a very incredible topic. The act of exchanging organs or even body parts to help or even save another persons life is truly amazing. Transplant surgery can save many lives without even affecting the donor at all. Organs can come from any body whether it be deceased‚ alive‚ or brain dead. New studies are even trying to get animal organs into humans who need them. The value of having transplant surgery weighs more than not being able to benefit or save someone ’s life. There
Premium Organ transplant Organ donation
Plastics are durable‚ lightweight materials that were invented in 1909. They are normally made from oil and natural gas. Using plastics to replace packaging materials such as metal and glass has allowed manufacturers to make packages that are more efficient. For example to bottle eight gallons of a beverage would take only two pounds of plastic but would take three pounds of aluminum‚ eight pounds of steel and 27 pounds of glass. The light weight of plastic packaging helps reduce transportation
Free Recycling Landfill Plastic recycling
Description: Plastic has been the common materials that is being used on a daily basis. Many objects that made from plastic that can be seen from everyday such as food containers‚ plastic bag‚ storage and so many things that even a human being cannot think of it. Plastic’s existence has only just for over a century but because of the versatility of the materials plastics has a significantly increase in their use into all varieties of everyday life. Furthermore‚ the physical characteristic of plastic itself
Premium Ocean Plastic Marine biology
Disadvantages of Plastics Disadvantages of Plastics are 1. FLAMMABLE – This is definitely an advantage in that they can be melted down‚ however soldering plastics can release toxic fumes into the environment. 2. COST OF RECYCLING – While recycling is a plus‚ recycling is a very costly endeavour. 3. VOLUME – In the United States 20% of our landfill is made up of plastics. As more products are being made of plastics‚ where will this lead us in the future? 4. DURABILITY – This is an advantage
Premium Polymer Plastic Plastic recycling
Background The overuse of plastics in today’s society has become major environmental issue for our oceans. Plastic pollution is the dumping‚ littering‚ or disposing of any type of man-made plastic that has been produced and has ended up in our ocean and has not been recycled. History of Plastic "Plastic" entered the world through chemistry in 1909 and was originally coined to describe Bakelite‚ the first fully synthetic resin. What make’s plastic so unique is when it is heated it can be molded
Premium Ocean Marine biology Plastic
C. R. Plastics Role: Jamie Bailey (owner of C. R. Plastics) Decision: how much money would he need to keep up with growing demand - should they level load Problem: C. R. Plastics need financing in order for growth of the company bank line of credit: $500 000 personal money: $150 000 credit card: $35 000 - Jamie has exhausted his means in financing and needs an injection of new money Objective: convince the Dragons’ to provide financing without giving up more than 30% of his company
Premium Asset Finance Balance sheet
Pro Experimental Surgery. Experimental surgery‚ is a taboo subject. Many oppose it‚ many do not. Doctors perform surgery on someone in an effort to make them feel better or learn a little more about their condition. When scientists and doctors try new things they usually try them on animals‚ studying the results‚ heightening their techniques‚ and exploring new ways to heal people. But sometimes doctors are put on the spot‚ so they have to take action or someone will be seriously hurt. Experimental
Premium Science Medicine Experiment
Amber 4 April 2012 The Double Edged Sword of African American Literature Throughout history‚ little by little our great country has progressed‚ from a nation that was barely getting on its own feat in the early 1800’s to legalizing the rights of every American citizen within the United States during the1960’s. But what about the African Americans? Anyone who is familiar with our American culture and History can tell you that African Americans have played a major role in our histories movements
Premium African American American Civil War Racism