People who have experience of ordering some goods on the Internet know probably some of the benefits offered by this source. For example, it is needless for the buyers to leave their homes or offices. Simple enough, a few clicks of the mouse can make all things done. Eyeglass products are also widely available online now. Most people tender to get similar benefits and try to purchase spectacles from online retailers. Well, it is ok to get ordinary eyeglasses like regular prescription eyeglasses, sunglasses, goggles and so on. However, when it comes to bifocal glasses online, additional care is absolutely necessary.
Online retailers will certainly feel additional challenge when they try to provide bifocal reading glasses for customers through the Internet. The reason is that fitting these bifocal lenses is really an intricate process which involves basically an additional prescription power. In fact, this is the similar case in trifocal eyeglasses and progressive eyeglasses. These three forms all belong to multifocal eyeglasses. This term suggests an obvious point that more than one power should be fitted into a single lens. This involves surely more skill requirements on an optician or an optometrist. Since the purchaser is not present, it is relatively harder for an optician or optometrist at the side of an online retailer to get the target eyes perfectly fitted. This is why most sites shy away from offering bifocal glasses online.
Another challenge associated with purchasing online bifocal reading glasses is that now there are lots of special-purpose designs. For instance, there are reading segments in different shapes that can be added into a primary lens. D segment, round segment and rectangle segment are possible customized styles. These customized bifocal reading glasses require certainly extra measurements of the customer’s eyes. Even for those retailers courageous enough to provide bifocal glasses online, an in-depth discussion with the customer is indispensable.
Bifocal glasses online involve additional measurements and in-depth discussion between the two sides. Presbyopic patients should take additional care before deciding to access this source.