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This study stresses upon the importance of protecting the eyes from chemicals and particulate matter in the atmosphere of our cities and the possible harmful effects this can have on adults and the future generations. Objective: This study endeavors to point out the harmful chemicals and the presence of dangerous particulate matters in the air and the possibility of its effects on the ocular functioning. Study Design: This was a cross sectional study. Setting: This study was carried out in specific areas in Lahore, Pakistan. Time Duration: As it was a cross sectional study so the data was collected in a 12 hour period in various specific areas of Lahore. Method: A purpose built monitoring device was used to take pollutant readings at various sites in Lahore. Result: The levels of PM2.5, PM1 and PM10 were all above the WHO recommended standards in all areas in Lahore. The heaviest concentration was at Data Darbar which is incidentally most crowded area as well. Conclusion: There is heavy and constant exposure to the eyes of these particulate matters especially the fine, PM2.5 chemicals which are highly injurious to the eyes in addition to the lungs, heart and the central nervous system.

Particulate Matters, (PM) 2.5, 1, and 10 Measurements in Lahore and Indication of Their Harmful Effects on the Ocular Epithelium