Size

A suitable magnifying lens should measure 2 to 4 inches in diameter. While larger than your regular eye sight and perhaps awkward on your face, its magnified view will greatly expand your field of vision and help focus on smaller objects like insects easier. Furthermore, these magnifying lenses can even help with starting fires as more light enters through them and makes igniting flames simpler; one unit of lens strength called diopter. Zenni Optical offers inexpensive glasses online but for optimal results visit an optometrist who will measure pupilary distance so you’re assured the glasses fit properly before purchasing cheap glasses online from Zenni Optical.

Lightweight

If you need magnifying glasses for an event or as backup pairs, lightweight and durable glasses may be your best bet. They will easily fit in your pocket or bag while being easily adjustable to meet all your needs. Your glasses should also feature a light filter to keep you focused and energized throughout the day, blocking blue light that stimulates melatonin production – useful if you suffer from Seasonal Affective Disorder. Unfortunately, Rhode Island self-adjustable eyewear cannot replace professional eye exams conducted by licensed optometrists or ophthalmologists to assess vision health status and determine corrective lens needs.

Durability

In an accident, these glasses will hold up very well. Crafted from tough yet lightweight materials, these frames come in multiple styles and lens types to fit every preference and price point – you won’t find better protection anywhere! Plus they make for great gifts.

Keep in mind that these glasses should not replace professional eye exams in determining your eye health status and vision needs. Furthermore, the glasses only block blue spectrum light up to 460nm; this range allows your body to produce enough melatonin so you’re alert and energetic during the daytime hours.