Eye surgery and lower the risk of infection. These precautions include the use of antiseptics, such as povidone-iodine, and sterile drapes, gowns and gloves. Although the terms laser eye surgery and refractive surgery are commonly used as if they were interchangeable, this is not the case. Lasers may be used to treat nonrefractive conditions (e.g. to seal a retinal tear). Laser eye surgery or laser corneal surgery is a medical procedure that uses a laser to reshape the surface of the eye. This is done to correct myopia (short-sightedness), hypermetropia (long sightedness) and astigmatism (uneven curvature of the eye's surface). It is
Emergency medical services in New Zealand Emergency medical services in New Zealand Emergency medical services in New Zealand (more commonly known as Ambulance) are provided by the Order of St John, except in the Greater Wellington region where Wellington Free Ambulance provides these services. Both have a history of long service to their communities, St John since 1885 and Wellington Free beginning in 1927, traditionally having a volunteer base which continues to this day however the vast majority of response work is undertaken by paid career Paramedics. Strategic leadership of the sector is provided by NASO (the National Ambulance Sector Office) which is a unit within