Blue light emmissions from the modern world
Light is the product of electromagnetic particles travelling at various wavelengths. Theses waves emit energy- the shorter wavelengths are typically associated with higher energy values. The various wavelengths are linked to colour and grouped into the following categories : Gamma Rays X Rays Ultraviolet UV Rays Visible Rays Infra Red Radio Waves The human eye is sensitive particularly to what is known as the Visible Spectrum. This range lies between the colours blue/violet t
Do I need glasses ?
From an optometrists point of view one of the most frustrating things regularly occuring in practice is the patient attending for an eye examination - we meticulously go through the examination procedure and arrive at a prescription which gives that individual better,improved visual clarity. The patient is advised that they need to wear the prescription and they say ' But my vision is fine - I don't need glasses'. I kind of thought that was the reason they came to see me in t
A whole new world ?
It never ceases to amaze , the reactions you see in practice when a whole new world is opened up to the patients receiving their first pair of new glasses.
