Ajay Shinde Since I am an Optometrist who is practising spectacle dispensing, I was once asked by a close friend of mine, "How effective are the blue block lenses? Do they help if one spends a lot of time on screen? To understand this, one must have some basic knowledge about light and colour. During our school days, we have been taught that white light consists of seven colours, "VIBGYOR", of which the violet to blue have higher energy being…
Are you confused about what eyeglasses to buy? We are here to help
Author: Dr Anitha ArvindThis article will help you to know about the different type of spectacle lenses, lens materials and the types of coatings available in the market to help you make an informed decision about your next spectacles purchase. Figure 1: Choosing the right spectacle is crucial for everyone! Choosing the proper spectacle for one's prescription gets overwhelming due to the vast options of spectacle lenses, frames, tints, and coatings available in the market. It is easy to get…