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Health & Knowledge

Undergoing Color Blindness Test

The genetic state and deficiency in viewing definite and certain colors, which takes place in 8 percent of men and 0.5 percent of women is called color blindness or also known as Daltonism. It is passed through a defective faulty chromosome, which can be detected through an uncomplicated eye examination. Most patients who suffer from this kind of deficiency can actually see several kinds of colors, but they find it hard to recognize one color from the other, especially the colors green and red.The retina is composed of cones and rods that work as light and color receptors. When these receptors fail to function correctly, you will not be able to recognize all types of colors. This defect takes place when one of the receptor cones lacks color. The cones situated in your eyes have blue, green... Read More

Health & Knowledge

How Frequently Will You Replace Your Glasses?

As time passes one of the last things we think of is replacing our eyeglasses. It's not until they're actually hanging on by way of a thread of plastic - or, if we're innovative enough: tape - that we even think about paying the funds to get a new pair. Glasses are very pricey! And anyhow, why damage a great thing? Well, there are many more risks to maintaining old eyeglasses than you might have predicted. Apart from the possibility that taped frames just aren't as popular as one could think, it is more probably than not that your old glasses could adversely influence your eyesight. In addition, high-priced glasses really are a subject put to rest. Enjoy this help guide to better discover why you need to stay up-to-date with your prescription eyeglasses.Our vision do change... Read More

Health & Knowledge

PD Self Test - Measure your pupillary distance by yourself

What is a Pupillary Distance Test? Also known as the PD test, it can be done by self testing yourself. It is a free process of calculating your pupil’s accurate and exact distance from each of your eyes. The process is vital for eye examinations to measure your exact eye’s distance, aiding in the fabrication of men’s/women’s/kid’s eye glasses frame so that your lens will fit correctly in seeing. This method is very useful when it comes to producing eye glasses. The online way to test your Pupillary Distance is available these days and you can even undergo the patent free try on. You can just comfortably go online and upload a full facing picture of yourself or you can use your web camera to take a snap and after which, you can easily grab t... Read More

Health & Knowledge

Eye Prescription

Power(pwr)(-20.00 to _20.00)The strength or amount of correction.Base Curve (bc) (8.0 to 10.0)The curve of the contact lent’s back surface.Diameter (dia)(13.0 to 15.0)The width of the contact lens.Brand (Acuvue, Biomedics, Focus, etc.) The brand name of the contact lens.Color(optional)Visibility tints: That are tinted in order to see it in a lens case (they do not change eye color).Enhancers: Are designed to intensify or slightly alter the natural color of the eye.Opaque contacts: Are designed to change even a dark eye color.The natural color of the eye doesn’t show through the lens.ADD Power (ADD)(+1.00 to +3.00)The additional correction for bifocal contact lenses.Cylinder (CYL) (-0.75 to -10.00)Correction for As... Read More

Health & Knowledge

How Often Do I Suppose To Change Glasses

How Often Do You Need To Change A New Pair of Glasses?Good question.It really depends on your lenses material, frame, your personal behavior, budget, and whole lot of other things. But we mainly we try to narrow down to three important condition:Always ask your optometrist: In most cases, your optomertrist can always provide the best answer. Because they know you and your glasses. Of course, some of them may recommend you to change it very often for the purpose of sales. So you have to be careful when you ask questions such as: "what's the difference of the new pair?", "What will it improve?", "can my old pair be fixed or adjustable?"Lenses damages: glasses lenses can be damaged very lightly but make big affect on your eyes. Don't think lillte scratche... Read More

Health & Knowledge

what is Pupillary distance (PD)?

Pupillary Distance (PD) or interpupillary distance (IPD) is the distance (the industry standard is to measure in millimeters) between the centers of the pupils in each eye. This measurement is used when preparing to make prescription eyeglasses. Positioning lenses correctly in relation to the centre of the pupils is especially important for higher powered lenses due to the location of the optical centre of the lenses. It can also be relevant to binoculars: they must be adjusted to suit the user's IPD; and the minimum allowed by some binoculars is still too great for people with a small IPD. Read More

Health & Knowledge

Pupillary Distance PD self-test

Introduction: Pupillary distance (PD) Pupillary distance or PD as it is commonly addressed is the distance from the centre of the pupil of an individual’s eye to the centre of the pupil of his other eye. As surprising as it may seem, but a person’s pupillary distance may be different from another and that is the reason why sometimes glasses kept in a store do not perfectly fit an individual.So, what should I do if my PD is not matching with the normal glasses kept at the store? Or is it really necessary to check my PD first before I opt for any set of glasses? Well, the questions emerging in the mind of someone who has never before heard of pupillary distance is understandable and to answer all your questions there no better way than going for a PD self test online.W... Read More

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