Friday, February 1, 2013

Floaters



Eye Floaters

Eye floaters are those tiny spots, specks, flecks and "cobwebs" that drift aimlessly around in your field of vision. While annoying, ordinary eye floaters and spots are very common and usually aren't cause for alarm. You'll also notice that these specks never seem to stay still when you try to focus on them. Floaters and spots move when your eye moves, creating the impression that they are "drifting."





Causes of Eye Floaters

When we are born and throughout our youth, the vitreous has a gel-like consistency. But as we age, the vitreous begins to dissolve and liquefy to create a watery center and imperfections gradually develop. The common type of floater, which is present in most people’s eyes, is due to degenerative changes of the vitreous humour. The perception of floaters is known as myodesopsia, or less commonly as myodaeopsiamyiodeopsiamyiodesopsia.





Treatment in Serious Cases

Vitrectomy may be successful in treating more severe cases; The technique usually involves making three openings through the part of the sclera known as the pars plana. Of these small gauge instruments, one is an infusion port to resupply a saline solution and maintain the pressure of the eye, the second is a fiber optic light source, and the third is a vitrector. The vitrector has a reciprocating cutting tip attached to a suction device. This design reduces traction on the retina via the vitreous material. A variant sutureless, self-sealing technique is sometimes used.
For most cases, vitrectomies for floaters are successful but complications do occur. Complications include cataracts, retinal detachment, macular edema, hypotony, residual floaters, anterior vitreous detachment and optic nerve damage.
Laser vitreolysis: In this procedure an ophthalmic laser (usually an Yttrium aluminium garnet "YAG" laser) is focused onto the floater and in a series of brief bursts, the laser vaporizes and lyses (cuts) the collagen strands of the floater. It is an outpatient process, which is much less invasive to the eye than a vitrectomy, with potentially fewer side effects. As of July 2010, laser treatment is not widely practiced and is performed by very few specialists. 

Sunday, January 6, 2013

How to Win Friends & Influence People



How to Win Friends and Influence People is one of the first best-selling self-help books ever published. Written by Dale Carnegie and first published in 1936, it has sold 15 million copies world-wide

This grandfather of all people-skills books was first published in 1937. It was an overnight hit, How to Win Friends and Influence People is just as useful today as it was when it was first published. It teaches one about human relationships and is one the books of Warren Buffet's credited for his success.


Dale Carnegie teaches these skills through underlying principles of dealing with people so that they feel important and appreciated. He also emphasizes fundamental techniques for handling people without making them feel manipulated.



The main fundamentals preached by Carnegie are:


  1. Don't criticize, condemn, or complain.
  2. Give honest and sincere appreciation.
  3. Arouse in the other person an eager want.



A full set of the audiobook can be found here:


The e-book is available here:

Monday, November 26, 2012

Osgood Schlatter Disease



Osgood–Schlatter disease (OS) or syndrome (also known as tibial tubercle apophyseal traction injury and epiphysitis of the tibular tubercle) is an irritation of the patellar ligament at the tibial tuberosity It is characterized by painful lumps just below the knee and is most often seen in young adolescents. Risk factors include excess weight and overzealous conditioning (running and jumping).


Symptoms of Osgood Schlatters Disease

  • Pain at the tibial tuberosity (or bony bit at the top of the shin) just below the knee.
  • The tibial tuberosity may become swollen or inflamed and may even become more prominent than the other side.
  • Tenderness and pain is worse during and after exercise.
  • Pain when contracting the quadriceps against resistance or when contracting the muscles with the leg straight.


Osgood-Schlatter Disease in Adults

Osgood-Schlatter disease is typical in teenagers especially boys below the age of 17. However contrary to this popular belief, OS does affect adults. The affected adults have had OS since their teenage years, the protruding lump below their knee caps still visible long after their teens. Some have reported severe pain while others say they feel perfectly normal except for the protruding tissue. 

Pain however, is felt by all when pressure is applied below the knees for example kneeling down. It is also extremely difficult for OS sufferers to sit cross legged.



Treatment for Osgood-Schlatter Disease

Treatment for OS is RICE (Rest, Ice, Compression, and Elevation). However, if the disease prevails into adulthood, surgery is needed.
OS sufferers are advised to take ample rest, usually a few months to completely rid themselves of this problem lest it worsens. 

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