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Have you wondered what determine the lens thickness? Why does optician recommend you to use thin lens? Is that necessary? How do you make a better choice?
Who’d want the glasses to be thick when it can actually be thinner?! But the problem is how well do you know about glasses/lens thickness? If you do not know anything about the thickness, how are you going to expect the end result?
Glasses rest on the nose. Thicker lens is generally heavier. You wouldn’t want a pair of heavy glasses sit on your nose the entire day and leave red mark. Besides, heavier lens can cause the glasses to slip down easily. You’d need to keep pushing it up. This very action can be pretty annoying.
If your pupillary distance is wide, your lens will be more likely thinner than your friend whose pupillary distance is much narrower. If you are the one with narrow pupillary distance ie 54-60 mm, try not to choose large frame to save on money on buying thin lens. To conclude, this is a general guide about lens thickness. There are more measurements and factors to consider when it comes to choosing lens thickness. Lens indexes exist are of 1.50, 1.53, 1.59, 1.70 and more. There are things like spherical and aspherical lens where aspherical lens is thinner than spherical for the same index. There is also different prescription availability for different lens index. When it comes to deciding the lens thickness, it’s best to know all the information shared here and discuss with your optician.
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Thin frame is the latest trend nowadays. It looks clean, simple and easily pulled off by just anyone. You wouldn’t want to match it with thick lens, don’t you? That will definitely defeat the purpose of getting a thin frame.
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Pupillary distance is the distance between two pupil centers. The idea is to align the optical center to the pupillary center so that we can minimize distortion and optimize the vision. The wider the pupillary distance, the lens will be thinner. The calculation can be a bit tedious but do remember the relationship between pupillary distance and lens thickness. Pupillary distance is an absolute measurement which intrinsically depends on wearer’s face size and eye. There is no good or bad effect associated with the pupillary distance.
If you’re looking for glasses recommendation, feel free to schedule an appointment with us. We will take into consideration of your lifestyle, prescription, preference and face shape to recommend the ideal one. Not to mention we also provide thorough eye test! Bring your friends and family along! Fill in the form here to get additional RM35 discount!
Like above mentioned, larger frame will result in thicker lens. As such, if your power is higher than -5.00, you may want to filter out the oversize frames.
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If you are interested to understand more about lens thickness, how is it being affected by other factors, continue with the reading. You will be an expert by the time you finish reading it!
Since the lens thickness increases exponentially, as the frame size gets larger, it will utilize the side of the lens, which is also the thicker part. Therefore, for the same prescription and lens index, the larger the frame, the thicker the lens will turn out.
By now you must have had a better understanding about lens thickness. It is no brainer to always go for the thinnest lens. However, thin lens can be pricey. Sometimes, you may not need to choose the thinnest lens if the benefit is not substantial. So, here’s a guide on how to choose lens with ideal thickness
In this article, we will dive deeper to discuss everything about lens thickness. Let’s start with the question “what is thin lens?”.
We understand your pain, that is why this article is here to help you to understand more about lens thickness and make better decision in buying glasses.
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You wouldn’t want your friends to make fun of your prescription nor letting others know your high prescription. Most people associate thick lens with high power. Therefore, choosing thinner lens can easily hide your prescription.
To understand this, you should know that lens thickness is generally categorized into 4 groups, or we normally call it “index” ie 1.56, 1.61, 1.67 and 1.74. The higher the index, the thinner the lens is.
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