Related Experiment Video
Updated: Jun 27, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
Published on: May 25, 2020
Vernal keratoconjunctivitis at Guinness Eye Centre, Luth (a five year study)
F B Akinsola1, A T Sonuga, O T Aribaba
1Department of Surgery, College of Medicine, Lagos University Teaching Hospital, Idi-Araba.
Introduction:
Vernal keratoconjunctivitis (VKC) (Spring Catarrh) is a chronic, seasonally exacerbated bilateral external allergic ocular inflammation which causes a lot of ocular discomfort to children and young adults and, in severe or poorly managed cases, can even lead to blindness.
Objectives:
To determine age/sex distribution, seasonal pattern, and frequency of clinical features.
Methodology:
A review of medical records of patients who presented with VKC between January 2001 - December 2006.
Results:
A total of 148 patients' records were reviewed. There was male preponderance with a Male to Female ratio of 1.27:1, and higher frequency in patients less than 10 yrs was observed. A trimodal peak pattern (January-February, April-July and September-October) was seen. Itching was the most common symptom and brownish conjunctival discolouration, the most common sign.
Conclusion:
This study is in agreement with previous findings of male preponderance and the tendency for the condition to affect children and young adults. It also detected an increase in number of cases in periods of seasonal changes from dry to wet. The necessity of patients' being assessed by an ophthalmologist was highlighted as several patients had been treated with antibiotics solely, which is insufficient for control of the condition.
Related Concept Videos
Angle Closure Glaucoma: Treatment
Open Angle Glaucoma: Treatment
Drugs such as carbonic anhydrase inhibitors, α2- and...
Glaucoma: Overview