The dimness experienced is negligible for a nonprofessional user, but for professionals who require accuracy and precision and work in a confined area like dentistry, a loupe light provides illumination that will dramatically increase the level of detail he/she can see through loupes.
[3] In the past, they used to be fiber optic and provided little portability in dentistry.
Now, with technological advancements, LED loupe lights have become portable and more ergonomic - the lightest loupe light weighs just 3 grams.
[4] Loupe lights have decreased in size, become less bulky, are more comfortable to wear and have achieved a level of brightness that is almost blinding.
Additionally, it is able to provide shadow-free light for the practitioner since it is mounted directly in between his/her eyes.