An extensive review of literature for the study was done, which helped the investigator to identify, select, critically analyze and report on existing information of the problem selected for the study and design tool for data collection. Methodology:Non experimental descriptive design technique was adopted to assess the effectiveness of IEC regarding knowledge on computer vision syndrome among IT professionals of Astaminds private limited, Chennai. 60 IT professionals who fulfilled the inclusion criteria were selected by non probability convenient sampling technique. Structured questionnaire was used to assess the demographic variables and knowledge regarding computer vision syndrome among IT professionals. Reliability of the tool was established by split half method. The r value was r=0.75. the correlation coefficient was high, hence the tool was considered reliable and feasible for proceeding with the main study. Results and Discussion:The findings of the study revealed that half of the subjects 25(41.7%) had inadequate knowledge in the pre test and maximum number of subjects 52(86.7%) had adequate knowledge in the post test and concluded that there was a significant improvement in subject’s knowledge in the post test after Information Education and Communication on computer vision syndrome. Conclusion:Thus, the Information Education and Communication was found to be effective in improving the knowledge regarding computer vision syndrome among IT professionals.