Blog Archives - Dr Frikkie Hartog
What is keratoconus and how do we treat it?

What is keratoconus and how do we treat it?

The cornea is front clear part of the eye in front of the color (or iris) of the eye. In ideal circumstances the cornea is round much like the shape of a soccer ball. The cornea is a clear structure to permit sharp unobstructed vision. If the shape of the cornea is not round or irregular, vision is compromised...

New advances in cataract surgery

New advances in cataract surgery

Modern techniques permit small incision cataract surgery. The removal of the cataract through a small 2,2 mm incision without the need for any sutures translates to painless surgery and a very rapid healing with excellent visual results. I like to compare the cataract lens to a trampoline. The lens is located centrally in the eye behind the color or..

Can laser eye surgery be repeated?

Can laser eye surgery be repeated?

In short, yes! The ideal candidate for laser eye surgery is a young myopic (nearsighted) patient. Laser eye surgery is a permanent procedure aiming at ridding a patient from the dependency on spectacles or contact lenses. The aim is to do this permanently despite the small risk of regression. Regression is when the patient becomes nearsighted again in future..

Conjunctival bleeding

Conjunctival bleeding

The conjunctiva is a transparent membrane over the white sclera of the eye. It contains many blood vessels, especially so at the inside of the eye, closer to the nose. One of the reasons for this is chronic irritation from the sun that causes a thickening of the conjunctiva known as a pingueculum. This localized swelling at the inside..

What is a stye and how do we treat it?

What is a stye and how do we treat it?

On the eyelid margin, just behind the eyelashes, resides a row of small glands in the upper and lower eyelid. There are approximately twenty-five glands in both the upper and lower eyelid. They are elongated, running vertically in the eyelid and opening on the eyelid margin. These Meibomian glands secrete a fatty substance that covers the eye every time..

Pink eyes, what exactly causes pink eyes?

Pink eyes, what exactly causes pink eyes?

Pink eyes can occur in isolation, but it often occurs in epidemics at schools and work due to its highly contagious nature. Pink eyes are caused by an adenovirus that is highly contagious and can survive for very long periods on dry surfaces. A patient will transmit the disease to others for days before he or she becomes symptomatic...

How to instill eye drops

How to instill eye drops

Most eye conditions are treated with the topical use of eye drops. It is therefore very important to be able to use eye drops effectively. The effective treatment of your eyes depend on the correct use of eye drops, and wastage leads to an unnecessary financial loss, especially so in chronic conditions where the drops are repeated monthly. If..

How do allergies affect your eyes?

How do allergies affect your eyes?

Allergies are very common, especially this time of the year. Allergies present mostly in spring (starting in September) and autumn (starting in May) due to seasonal allergies to pollen. Perennial allergies are less common, and usually a reaction to dust mites and fungi. Allergies cause severe irritation, but the symptoms do vary significantly from season to season, as well..

How to clean your eyelids

How to clean your eyelids

Behind the eyelashes is a row of approximately 25 glands in a row on both the upper and lower eyelid margins. These Meibomian glands secrete an oily substance that is smeared over the watery tear film covering the eyeball every time you blink. The secretion of these glands can unfortunately get obstructed and also get infected, leading to blepharitis..

Macular degeneration

Macular degeneration

Macular degeneration is the most common cause of blindness in older individuals. In the ideal circumstances light entering the eye is focused at the back of the eye on the retina. The retina is the visual membrane that covers the back of the eye, much like the film of a camera. Right in the middle of the retina is..