Dr. Frederick Joey Heyner MD

Parkinson’s disease is a chronic, progressive movement disorder that affects the nervous system. It is characterized by gradual death and breakdown of nerve cells in the brain resulting in the decreased production of a chemical messenger called dopamine. Reduced dopamine levels cause abnormal...

Nearsightedness or myopia, farsightedness or hyperopia and astigmatism or blurred vision are collectively referred as refractive disorders which commonly affect the eyes. They occur as a consequence of disease, injury or progressive aging. The weakening of the eye lens and lengthening or shortening...

When the eye’s natural lenses are removed during cataract surgery, they are replaced by artificial lenses known as intraocular lenses (IOLs). They are also used to correct a patient’s vision during a surgical procedure known as refractive lens exchange.Intraocular lenses are FDA-approved and...

When the eye lens changes with age, cataracts develop and your vision becomes blurry. A clear structure, the lens is located at the back of the pupil. Light streams in via the cornea and the lens directs it to the retina when it enters the eye.When you start to age, cataracts can begin developing,...

What is eye herpes?Eye herpes, or ocular herpes, is a recurrent viral infection that affects the eyes. It is caused by herpes simplex virus type 1. It causes an inflammation of the eye, as well as scarring in the cornea.Eye herpes can be transmitted from one person to another when there is a close...

Blepharoplasty, or eyelid surgery as it's commonly known, is performed to correct droopy upper and/or lower eyelids and under-eye bags. The surgery may be performed for functional or medical reasons. Functional blepharoplasty corrects problems related to upper eyelids that sag or droop enough to...