The respiratory system is divided into four components: the upper respiratory system, lower respiratory system, chest wall and diaphragm. Upper respiratory system: The upper respiratory system comprises all structures and passages involved in the conduction of air from outside the body to the larynx. This system includes the nose, mouth and structures within the hypopharynx.
There are two fundamentally different types of laser eye surgery: PRK and LASIK. Under these two categories, there are several different flavors or modifications of each type.For example, LASEK (with an E) is a newer type of PRK.here are two fundamentally different types of laser eye surgery: PRK and LASIK. Under these two categories, there are several different flavors or modifications of each type.
If you are unsuitable for laser eye surgery, there is another treatment option available at Optimax for you to consider. Intraocular Lenses (IOLs) also sometimes referred to as lens implants or lens implant surgery, are used for the correction of very severe levels of short sight, long sight and astigmatism and can restore optimum vision.