The etiology of VKC is multifactorial. However, the increased levels of IgE in the tear film plays a pivotal role in its occurrence. VKC is a type 1 hypersensitivity reaction with Th2 lymphocytes acting as mediators, activating basophils and eosinophils, leading to mast cell degradation and a subsequent release of histamines. The itchy sensation and conjunctival redness seen in this disease result from these reactions.
Practical steps involved with establishing a world-class Ophthalmology Practice with Dr. Bawa Dr. Bawa is an experienced eye surgeon that improves the quality of life of his patients through safe vision correction surgery.
https://youtu.be/wo3372tZzF4
Obinwanne Chukwuemeka Junior (OD, FAAO, FLVPEI, FSLS)
obinwannejr@gmail.com;
Head Of Cornea, Specialty Contact Lenses and Myopia Control Services, De Lens Ophthalmics Family Eye and Vision Care Centre, Febson Mall, Abuja, Nigeria.
There are several reasons optical corrections may be prescribed to children, however, in some cases, contact lenses (CLs) may be indicated or preferred. These cases include high refractive errors where spectacles may give poor cosmesis and...
By Obinwanne Chukwuemeka Junior (OD, FAAO, FLVPEI, FSLS) / obinwannejr@gmail.com;
Head Of Cornea, Specialty Contact Lenses and Myopia Control Services, De Lens Ophthalmics Family Eye And Vision Care Centre, Febson Mall, Abuja, Nigeria.
Keratoconus is a bilateral, sometimes asymmetric, non-inflammatory condition of the cornea which results in cornea thinning, ectasia, irregular astigmatism and decreased vision. The prevalence of keratoconus varies depending on the population studied, climate,...
Scleral lenses are rigid gas permeable lenses that sit entirely on the sclera and a well-fit scleral lens vaults the cornea and limbus completely. In most cases, scleral lenses are fit in cases of corneal ectasia, especially in moderate to advanced keratoconus (1). However, this beautiful technology has also seen application in the management of ocular surface disease and other areas of eye care...
