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The metal frames tend to be easier to adjust and are more flexible compared to plastic frames, not to mention that they are also lighter and slimmer. 

When it comes to metal frames, titanium is considered as the lightest material. You can also find frames made of nickel alloy or stainless steel.

Flexible metal frames were also developed for the past few years. Even though metal frames have more limited color choices, the selection continues to grow day by day.

The common downside is that there are people who develop allergies to metal and this makes plastic spectacle frames a …

The eyeglass prescription will always be the main consideration when it comes to choosing eyeglasses. Before you start your quest for the frames, be sure to consult with an optician or eye doctor regarding your kid’s lenses.

When the prescription requires strong lenses that will likely be thick, you should try to stay away from bigger frames that will only thicken the lenses further. Smaller lenses also have the tendency to have lesser higher-order aberrations close to the lens’ edge compared to large lenses of similar prescription and material so there will be lesser risks of distorted or blurred peripheral …

The charts used for the diopter assessment usually contain several rows of random letters. The top row starts with very large letters and gets smaller and smaller as you get closer to the bottom of the chart.

What does identifying these letters have to do with glasses? Each row of the chart has been assigned a number. During the test, patients read each row of the chart until the letters become too small to read easily.…