Allergic eye diseases are leading cause of ocular morbidity among children 2014 Dr Uduak Edet Asana Dr Dennis G. Nkanga worldwide with reported prevalence of 15 to 20% . It is capable of causing a child to be absent from school for long periods, reducing their quality of life and impact negatively on the economy of their caregivers. Severe cases of allergic eye diseases can lead to blindness from complications. Unfortunately, little attention has been paid to this condition globally as a separate entity from rhinitis which often time but not always co-exist with it. A cross-sectional study was conducted among school age children in Calabar metropolis, Cross River State Nigeria. The aim was to determine the prevalence, clinical and demographic patterns of allergic eye diseases among primary school children in Calabar metropolis in order to design routines to align with the needs of this subpopulation. One thousand two hundred and thirty three primary school pupil aged between four to fifteen years were recruited from four primary schools using a multi-stage random sampling technique. Each child underwent ophthalmic examination including anterior and posterior segment examinations and findings were documented. Children found to have allergic eye diseases were given questionnaires which they took home to their parents/guardian to fill and return. Data was analysed using SPSS version 16. There were fewer males 564 (45.7%) compared to females 669 (54.3%) with male to female ratio of 1:1.2. Eighty three of the pupils were found to have allergic eye diseases giving a prevalence of 6.7%. Of the 83 questionnaires given to the pupils with allergic eye disease, 75 were returned. More males were found to have allergic eye diseases and the difference was statistically significant (p = 0.012). There was no significant difference in the visual acuity of pupils with allergic eye diseases compared those that do not have . Majority, 57 (68.7%) of the pupils had vernal keratoconjunctivitis (VKC), followed by seasonal allergic conjunctivitis (SAC) 12 (14.5%) and perennial allergic conjunctivitis (PAC) 6 (7.2%). The prevalence for the different forms of allergic eye diseases is thus: 4.6% for VKC; 0.97% for SAC and 0.49% for PAC. Among the 57 cases of VKC found, 48 (84.2%) had predominantly tarsal papillae, 6(10.5%) mixed limbal and tarsal papillae; and 3 (5.3%) pupils had predominantly limbal papillae. Family history of atopic conditions was found in 52 (69.3%) of 75 of pupils with allergic eye diseases who returned the questionnaires. Forty-two (88.8%) of whom are first degree relatives while 10 (19.2%) are second degree relatives. The commonest atopic condition in the family relatives was recurrent eye itching (allergic conjunctivitis) 28 (37.3%). Others are rhinitis 18 (24%); eczema 15 (20%) and asthma 7 (9.3%). The commonest trigger of symptoms of allergic eye disease was exposure to dust in 25 (33.3%). Others are dry season 22 (29.3%); exposure to smoke 15 (20%) and wet season 12 (16%) . Public enlightenment talks on the nature of the disease and the need to minimize activities and/or practices such as dry dusting or sweeping of dirty ground, smoking around children, building of schools or living homes in proximity to motor parks and industrial areas that exposes sufferers to symptom triggers like smokes, dusts and irritant gases is recommended.