Optometry is a health care profession which involves examining the eyes and applicable visual systems for defects or abnormalities as well as the medical diagnosis and management of eye disease. Traditionally, the field of optometry began with the primary focus of correcting refractive error through the use of spectacles. Modern day optometry, however, has evolved through time so that the education curriculum additionally includes intensive medical training in the diagnosis and management of ocular disease in countries where the profession is established and regulated.
We have reached planetary boundaries - human pressures on finite, earth systems are at a tipping point. However, the technology to address this near catastrophe is now within our reach, according to expert in sustainable development, Jeffrey Sachs.