if my bifocal number is 1.75 which should i get. the 1.5 or the 2.0.

diopter is a unit of measurement of the optical power of a lens. It is equal to the reciprocal of the focal length measured in meters (that is, 1/diopter in meters). For example, a 3-diopter lens focuses parallel light rays at 1⁄3 meter. A flat window has an optical power of zero diopters, and does not converge or diverge light. So 1.5 diopters focuses at 1/1.5=.66 m or 26 inches, 2 diopter is 1/2 m= 20 inches. The higher the diopter you choose the closer to your eye you will be able to focus. I have readers with powers from 1.5 up to 5 and choose the one to use depending on what I am working on. For extremely detailed stuff I use use the 5 and work close to my face. For reading around 20 inches away 1.5 or 2 work well. As one ages the ability to change the focal point is reduced and it becomes harder to make things closer to you come into focus and you will require higher diopter assistance. Reading glasses power or diopter is more a measure of this ability to focus rather than making things larger. Since the lenses sit fairly close your eye lense they don't change the size of things very much but make it easier to focus in a particular range. To get a size change I have to hold the lense about 1/2 way between the item and my eye then the lense acts as a magnifier. For me with 1.75 diopter lenses I can focus on objects in a range of about 11 inches to 16 inches. Outside of that range stuff starts to blur. With 2, the range is 10 to 15 roughly. With 3 diopter the range is around 7 inches to 11 inches. So keep in mind that the diopter is adding to your current ability to focus, your range will be different than mine. Bottom line: if you use 1.75 now, either 1.5 or 2 will work. 1.5 is less power and your clear focus range will be farther away. Whereas with 2 the range will be a little closer. I bet you won't even notice the difference. The only time if really matters is if you can't move your head or the object into the focus range or when the object is in focus it is still too small to see.

I too am a female looking for industrial safety glasses with readers and when I search "womens" I get pink! I hate pink! Do they fit a womans head?!

Yes, they fit this woman's head. For reference, the standard reading glasses I wear fit my head well also.

Just got these today and can't figure out how to use the sleeve. Glassed wont fit insife it.

The sleeve I got is not long enough to fully cover the lenses.

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👓 See safety and style clearly—because your eyes deserve the best.

ALL DAY COMFORT GRIP - Soft rubber nosepiece and handgrip-patterned temples ensure fatigue-free wear.
DISTORTION FREE CLARITY - Precision molded lenses reduce eye strain during extended use.
ULTIMATE EYE PROTECTION - Polycarbonate lenses block 99.9% UV rays and resist high-impact hazards.
SLEEK SCRATCH RESISTANT - Clear, durable finish keeps your vision sharp and your style sharper.
DUAL FUNCTION VISION BOOST - Seamlessly combines safety and reading glasses for on-the-spot clarity.

The Dewalt DPG59-110C Reinforcer Rx-Bifocal safety glasses feature +1.0 diopter magnification molded into impact-resistant polycarbonate lenses that provide 99.9% UV protection. Designed with ergonomic rubber temples and a soft nosepiece, these glasses deliver all-day comfort and distortion-free vision, making them ideal for professionals who demand both eye safety and enhanced reading clarity on the job.

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Manufacturer	DEWALT
Part Number	DPG59-110C
Item Weight	1.6 ounces
Product Dimensions	7.2 x 5.4 x 2.8 inches
Item model number	DPG59-110C
Is Discontinued By Manufacturer	No
Size	Rx-Bifocal 1.0
Color	Clear Lens
Style	1
Finish	Scratch-Resistant
Material	Plastic
Item Package Quantity	1
UV Protection	Yes
Special Features	Bifocal, UV Protection
Batteries Included?	No
Batteries Required?	No

Dewalt DPG59-110C Reinforcer Rx-Bifocal 1.0 Clear Lens High Performance Protective Safety Glasses with Rubber Temples and Protective Eyeglass Sleeve

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