Archive by Author

It’s A Wonderful Life

02 Jan
Profile portrait of Dr. Henahan

One of my favorite holiday movies is “It’s a Wonderful Life” starring James Stewart and Donna Reed.  I find it hard to believe that the film was released in 1946!  I love the way in which the movie underscores the countless ways that our lives interconnect and how a seemingly insignificant encounter can profoundly affect […]

Dry Eye can be treated effectively

25 Oct
Patient shown receiving an eye examination

Dry Eye worsens in Fall & Winter Cooler weather brings relief to many of us after a long, hot summer.  Unfortunately for others, the colder weather and drier air also leads to a flare up in their dry eye symptoms, according to Dr. John L Henahan at Spectrum Eyecare in Peachtree City. The good news […]

Potiga Anti-seizure Drug Can Cause Eye Damage

04 Oct
image of Potiga logo

Potiga is a medication that has been approved since 2010 for partial seizures in adults.  The medication works by opening potassium channels in neurons, which is unique among anti-seizure medications.  It was demonstrated to reduce seizures by 25-50% or more in a substantial percentage of patients.  As a result of this effect and the relatively […]

Blurred vision when looking up close?

26 Aug
Patient shown receiving an eye examination

Blurred Vision and Near Vision Eyestrain? A recent article in the Wall Street Journal described the growing difficulties experienced by millions of adults over 40 with seeing the myriad of screens that they interact with on a daily basis. Traditional bifocal glasses and even older generation progressive (no line bifocal) lenses can fall woefully short […]

New Layer of Human Cornea Discovered

12 Jun
Image of bulging cornea in Keratoconus

Cornea – what is it? The human cornea is the main focusing lens of the eye. When someone puts a contact lens in the eye, the contact lens rests on the cornea. If you have LASIK, the laser reshapes the cornea.  When the cornea malfunctions, is damaged, or scarred due to infection, blindness can occur. […]

Top 5 Eye Health Stories of 2013

28 May
Image of colorful eye

Seeing well now and maintaining your eye health for a lifetime are the top priorities for eye doctors including John Henahan, an optometrist at Spectrum Eyecare in Peachtree City, GA. “Each year brings new information and studies that help us understand how our amazing visual system works”, says Dr. Henahan.  Here are Dr. Henahan’s top […]

Contact Lenses to add integrated Head’s Up Display

20 May
Contact lenses on a finger

Digital images could be directly projected onto lenses to improve soldiers’ situational awareness. At Spectrum Eyecare in Peachtree City, eye doctor John Henahan is continuously looking for new technologies that may one day enhance the vision of his patients.  This story, which could be straight from a Science fiction film may become reality sooner rather […]

Which Contact Lenses are Right For You?

13 May
Contact lenses on a finger

Eye doctor John Henahan of Spectrum Eyecare in Peachtree City has fit thousands of people in contact lenses over the last twenty years.  “Over the years, there has been an explosion in the number of options available for contact lens wearers”, reports Dr. Henahan. This makes choosing the best choice for yourself more difficult than […]