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:: Volume 1, Issue 2 (Quaterly 1997) ::
Feyz 1997, 1(2): 39-52 Back to browse issues page
Epidemiologic study of vernal conjunctivitis (Spring conjunctivitis) in Kashan, 1995
Abbas Bagheri , Mohammad Zare , Mojtaba Khaksar
Abstract:   (14327 Views)

History and Objectives: Due to lack of persistant epidemiologic and clinical symptoms of vernal conjunctivitis and in order to specify sign and symptoms and the prevalence of the disease, patients referred to the Kashan outpatient clinic during 1995 were examined. Since Kashan is considered to have a tropical climate, the result from the present investigation was compared with a study previously performed in a cold region of Tabriz (1990).

Materials and Methods: A descriptive study on patients complaining from allergic conjunctivitis attributed to sensitivity to pollens from blooming vegetations was conducted. Allergic vernal conjunctivitis was diagnosed based on the clinical examination of eye and other symptoms such as giant papia of eyelid and or papia surrounding limbus with trantus spots were selected and smears were prepared for Giemsa staining. Presence of eosinophils would confirm the diagnosis. Patients’ profile, major complaint, duration of the disease, possible other allergic sign, family history and positive sign and symptoms such as trantus spots and itching were recorded.

Results: From 13987 individuals referred to the clinic, 301 (2.2%) were suffering from vernal conjunctivitis (CI%=0.5±3.8). 202 of the patients (67.1%) were male and the rest were females. Mean age was recorded as 11.5±3.5 and intervals were from ten days to 65 years. 47.2% had limbal, 12% palpebral and the rest had mixture of both complications. 53% of patients displayed allergic reaction in spring, 39% in summer and 8% in fall or winter. Corneal complications were observed in 12.6% of patients and its intensity and prevalence increased with the length of the illness. 12.6% of patients showed unilateral vernal conjunctivitis of which 84% limbal complication was observed. Familial allergic history was recorded in 42% of patients and 49% had other atypical histories.

Conclusion: Limbal form of the disease is more wide spread in tropical regions whereas palpebral form is more prevalent in colder regions. Onset of Limbal form is at younger age, its allergic potency is less severe and duration is more limited. Whereas the onset of palpebral form is rather at old age. It is also bilateral and more severe in its intensity. In tropical region, patients attend the clinic in spring and in cold region in summer.

Full-Text [PDF 1868 kb]   (1671 Downloads)    
Type of Study: Research | Subject: General
Received: 2008/11/25 | Published: 1997/07/15
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Bagheri A, Zare M, Khaksar M. Epidemiologic study of vernal conjunctivitis (Spring conjunctivitis) in Kashan, 1995 . Feyz 1997; 1 (2) :39-52
URL: http://feyz.kaums.ac.ir/article-1-613-en.html


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Volume 1, Issue 2 (Quaterly 1997) Back to browse issues page
مجله علوم پزشکی فیض Feyz Medical Sciences Journal
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