Scleral Contact Lenses for Other Eye Problems. In addition to keratoconus, scleral contact lenses can be used for eyes that have undergone a cornea transplant, and for people with severe dry eyes caused by conditions such as Sjogren's syndrome, graft-versus-host disease (GVHD) and Stevens-Johnson syndrome.
Aneroid sphygmomanometer with an adult cuff. A sphygmomanometer (pronounced /ËsfÉªÉ¡moÊmÉËnÉmÉ¨tÉr/. SFIG-moh-mÉ-NOM-i-tÉr) or blood pressure meter is a device used to. measure blood pressure, comprising an inflatable cuff to restrict blood. flow, and a mercury or mechanical manometer to measure the pressure. It is always used in conjunction with a means to determine at what. pressure blood flow is just starting, and at what pressure it is. unimpeded.
There are two types of sphygmomanometers: ' 1  require a stethoscope for auscultation (see below). 2  They are used by trained practitioners. 3  It is possible to obtain a basic reading through palpation alone, but this only yields the systolic pressure.4  Mercury sphygmomanometers are considered to be the gold standard. Aneroid sphygmomanometers (mechanical types with a dial) are in common use; they may require calibration checks, unlike mercury manometers. 2  Aneroid sphygmomanometers are considered safer than mercury based, although inexpensive ones are less accurate. 3  A major cause of departure from calibration is mechanical jarring.