What are the effects of tobacco cigarette smoking on the cornea and tear film layer?

By Gemma Rae BSc(Hons) FBDO According to the World Health Organisation (2015) approximately one billion of the world’s population smoke tobacco based cigarettes, killing around six million people each year. Hill (2010) suggests smokers are warned of a number of health related risks; illnesses, amputations, synthetic voice boxes and tarred lungs. This triggered the question, “What are the effects of tobacco cigarette smoking on the cornea and tear film layer?” *These articles are kindly provided by the Association of British Dispensing Opticians.*