PT - JOURNAL ARTICLE AU - C J Bulpitt AU - C Hodes AU - M G Everitt TI - Intraocular pressure and systemic blood pressure in the elderly. AID - 10.1136/bjo.59.12.717 DP - 1975 Dec 01 TA - British Journal of Ophthalmology PG - 717--720 VI - 59 IP - 12 4099 - http://bjo.bmj.com/content/59/12/717.short 4100 - http://bjo.bmj.com/content/59/12/717.full SO - Br J Ophthalmol1975 Dec 01; 59 AB - The intraocular and systemic blood pressure, height, weight, and haemoglobin were measured in 573 subjects over 60 years old from a general practice population. Intraocular pressure was positively and independently related to systemic blood pressure (P less than 0.0001) and obesity (P less than 0.01) as assessed by the ponderal index. Systolic pressure rather than diastolic or mean pressure was most closely correlated with intraocular pressure and it is suggested that the systolic head of pressure increases the filtrated fraction of aqueous humour to cause a small but sustained rise in intraocular pressure. It is also suggested that obesity may decrease the facility of aqueous outflow.