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The purpose of this blog is to inform, update, and at times to entertain you about your eyesight and the happenings around Pacific Eye Specialists.

We hope you enjoy - please check back for new posts often.

Afraid of Pain During LASIK? Don’t Be.

Posted by administration on May 19, 2015

 

Afraid of LASIK

If you’re afraid of pain during LASIK surgery, you’re not alone.  Here at Pacific Eye Specialists in San Francisco, California, many of our clients express this concern pre-surgery.  Patients often worry that since they are awake during the procedure, it will be uncomfortable.  However, you don’t have anything to worry about. 

Even though you are conscious during LASIK, numbing drops are used on your eyes before the procedure is started.  Most clients say they feel some pressure, as if someone might be pushing on the eye, for several seconds.  Many people say they don’t even feel the pressure.

An instrument holds your eyes open, but you won’t feel it because your eyes will be numb.  It usually takes only five minutes or less to perform surgery on each eye, so the procedure is both painless and quick.   Many patients say that it is easier than expected and the recovery is smooth.

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Want to Become a Pilot? LASIK May Be the Perfect Answer

Posted by administration on May 12, 2015

Pilot.jpgPilots must meet many physical and emotional requirements before ever stepping into a cockpit.  Good vision is one of them.  For people who want to become pilots, whether civilian or military, vision requirements need to be examined and discussed with the staff at Pacific Eye Specialists in San Francisco, California.

While LASIK provides an excellent vision correction result for most people, the FAA has its own position regarding flight status and LASIK, which sometimes changes from time to time.  The military also has established policy on vision requirements and whether or not LASIK surgery can meet the requirements for a future pilot.

Finding a LASIK specialist in your area who is familiar with the unique vision demands of pilots is critical.  At Pacific Eye Specialists in San Francisco, California, we can discuss your vision needs and how they may impact career aspirations.  Contact us for a consultation.

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Can your brain keep you from seeing?

Posted by Blog on May 01, 2015

Brain Keep You From SeeingScientists made a discovery recently that revealed the brain’s important role in both vision loss and vision restoration.  The results showed that in some cases, even with restored vision, the brain can prevent the newly sighted from complete vision restoration.

At the University of Montreal, scientists have discovered that the rewiring of the senses that occurs in the brains of the long-term blind means that visual restoration may never be complete. "We had the opportunity to study the rare case of a woman with very low vision since birth and whose vision was suddenly restored in adulthood following the implantation of a Boston Keratoprosthesis in her right eye," explained Giulia Dormal, who led the study.

Researchers worked with the patient, a 50 year old woman from Quebec in Canada. They conducted behavioral and neurophysiological measurements before and after surgery, in order to track changes in her sight and brain anatomy, and in the way her brain responded to sights and sounds.

According to Dormal, “Certain regions of the visual cortex even seven months after surgery, and these responses overlapped with visually-driven responses. This overlap may be the reason some aspects of vision, despite having improved with time, still remained below normal range 7 months after surgery."

If you have questions about your vision, please contact the staff at Pacific Eye Specialists in San Francisco.

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Nearsightedness_Increase.jpgA study shows that nearsightedness (myopia) is more common in the United States than it was more than 30 years ago, a National Eye Institute study states.

Dr. Bernd Kutzscher, a LASIK corrective surgery specialist in San Francisco, has reported an uptick in patiences with nearsightedness over the years.

Researchers compared National Health and Nutrition Examination Survey data from 4,436 black and white participants from 1971 to 1972 and from 8,339 black and white participants from 1999 to 2004. The participants were 12 to 54 years old.

The prevalence of myopia increased from 25 percent in 1971-1972 to 41.6 percent in the later period. The incidence jumped from 13 percent to 33.5 percent among blacks, and 26.3 percent to 43 percent among whites.

The findings appeared in an issue of the Archives of Ophthalmology.

Even though myopia can be treated with eyeglasses, contact lenses or refractive surgery, its high prevalence costs Americans billions of dollars a year, the researchers noted.

“The question of whether myopia prevalence is increasing is therefore important to health planners and policy makers,” the study authors concluded. “Identifying modifiable risk factors for the development of myopia could lead to the development of cost-effective interventional strategies.”

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Computer Use and Eye Damage

Posted by Blog on April 17, 2015

Computer_UseWill extensive computer use harm your eyes?  As LASIK specialists, this is a question we are frequently asked at Pacific Eye Specialists in San Francisco.

The short answer is no.  Using a computer will not permanently harm your eyes.  However, the over use of computers can cause eye problems. Computer Vision Syndrome (CVS) is the name for eye problems caused by computer use.  CVS is not a single problem but refers to a range of eye problems caused by computer use.

Symptoms of CVS can include:

  • Headaches
  • Blurred vision
  • Dry eyes
  • Red or irritated eyes
  • Neck or back pain

People who use computers usually don’t blink as often as those that don’t use computers, causing dry eyes which can lead to irritation.  Normally, humans blink about 18 times a minute, but some studies show we blink only half that often while using computers and other digital screen devices.

Some people can also experience headaches while using computers or video games, which may indicate that the person has a problem with focusing, causing eye strain. Computer-use eye strain can be made worse by improper use of contacts (wearing them too long, wearing dirty lenses), etc.  It’s better to wear glasses at least occasionally while using a computer.

We advise that computer users take a break away from the computer every 20 minutes. Sit about 25 inches from the screen and look at the screen in a slightly downward manner.  These techniques may help you avoid common problems associated with the use of computers.

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