The eye is a common site of inflammation. Because the large majority of eye allergies involve the conjunctiva, the terms "ocular allergy", and "allergic conjunctivitis" are used synonymously. The clinical presentation of the various forms of allergic conjunctivitis can vary greatly, from mild symptoms unaccompanied by ocular signs, to severe disease with vision-threatening complications. Althou...

The incidence of ocular allergy varies in different geographical regions and tends to be more common in countries with warm climates. In the US, as much as 40% of the general population suffered from allergic conjunctivitis.2-4 In one study of 5000 allergic children, 32% had ocular symptoms as the single manifestation of their allergies.5 A recently published prevalence study in Japan has found...

Allergic diseases such as allergic rhinitis, pharyngitis, laryngitis, asthma, airborne dermatitis, or allergic conjunctivitis, can be caused or aggravated by components of bioaerosol from natural environment or from indoor environment in enclosed spaces, workplaces and homes. The main components of bioaerosol are fungi and their metabolites, which are common in the environment.

Methods A national sample of 34,030 households using a dual frame approach of random digit dialing and cell phone sample were targeted. Patients aged =5 years with a health care professional diagnosis of hay fever, allergic rhinitis, rhino-conjunctivitis, nasal or eye allergies and symptoms or medication for condition in past 12 months were surveyed. Data on specific diagnosis and allergy testi...

BACKGROUND Published data regarding changes in the prevalence of childhood allergic diseases in Japan have been limited. METHODS To observe changes in the recent trends of the childhood allergy epidemic in Japan, a population-based questionnaire survey of allergic diseases was conducted among 13,215 schoolchildren, aged 7 to 15 years, in Kyoto, Japan in 2006. The results were compared with th...

OBJECTIVE To investigate the prevalence and features of ocular allergy (OA) and comorbidities among school children in Shanghai, China. METHODS This was a population-based cross-sectional study. Each participant completed an ISAAC-based questionnaire. The prevalence of OA symptoms, allergic rhinitis (AR) asthma, atopic dermatitis (AD), and sensitization to mites, pollen, and food was analyzed...

Vernal keratoconjunctivitis (VKC) is a chronic allergic conjunctivitis that is most often seen in young, males. Although most types of allergic conjunctivitis do not affect vision, VKC is unusual in that damage to the cornea from the condition can result in vision loss. Although it is typically seasonal, year-round symptoms can be seen, which can lead to uncertain diagnoses being made. Although...

The allergic conjunctivitis (AC) consists of five clinical types, a seasonal allergic conjunctivitis (SAC), perennial allergic conjunctivitis (PAC), vernal keratoconjunctivitis (VKC), atopic keratoconjunctivitis (AKC) and giant papillary conjunctivitis (GPC), having a common causal background, namely the involvement of allergic component, but different clinical features. 1-5 The five clinical t...