Pentax Eagle

Plastic Sports Prescription Safety Glasses Pentax EAGLE

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Product Description:


These safety glasses approved by ANSI have a wrap-around frame. Pentax safety glasses are comfortable and reliable. They have adjustable straps. These specs comply with ANSI safety standards. These glasses are comfortable to wear all day thanks to their curved temples and double-injected temple tips. The 100% UV/UVB protection is also included. 



Frame Information
RimFull Rim
Eye Size53, 56, 59
Frame SizeL

Product Features:


  • Adjustable Temple
  • Plastic wrap-around frame
  • Shiny dark black color
  • Prescription Ready
  • Anti-fog 
  • Scratch Resistant


3m Eagle Safety Glasses for Bifocals and Trifocals Are Made for Specific Jobs


Occupational lenses are made for particular jobs and they are not designed for everyday wear. Bifocals and trifocals are also made for different occupational purposes. Pentax eagle safety glasses are also used for specific purpose lenses. These special-purpose lenses are suitable for specific work situations. By keeping vision zones near, intermediate, and far at the lens area, makes specific jobs easier. After the age of 40, you may need multifocal lenses and you can get an extra pair of eyeglasses for work purposes. 

Here are different types of occupational lenses and their uses.


Double-D Bifocal:

The D-D bifocal is ideal for reading and for close work view. It has a D-shaped flat-top bifocal at the lowest of the lens. For the near segment flat top upside down that is situated at the top of the lens. The lens is available for distance correction between these two sections. 3m v1000 is also available for all lens types. If you work in an automobile or repair field, this double D-bifocal lens is a perfect solution and you could get a benefit. They give you a clear view close up either you are looking up and down or in a car and lift. For clerical posts, they are also helpful as you might need to read documents continuously for this field.


E-D Trifocals:

If you have to see all sides, E-D trifocals work very well mainly at arm’s length. The lens is divided into two sections upper half and lower half of the lens. The upper part is for distance view and the lower half is for intermediate distance. In these trifocals, a visible line separates these two visible vision sections across the whole width of the lens. 3m f9800 is perfect for multifocal.

The difference is, that E-D lenses have a small D shape correction for a near distance that is implanted in the intermediate area.  These trifocal are an ideal option for those who need a wide vision area at arm’s length. You can see with close-up and at a distance view. These lenses are perfect for those people who need to keep an eye on several monitors, read a note from a clipboard, and have to view across the room.


Reading the Whole Day:

If you are in a field that you have to read for a whole day or you love to read for all day, you need such type of lenses. You may need bifocals or trifocals that are placed in the section over the lens for multiple views. These lenses would allow you to watch a computer screen or work on it for an extended period. 3m zt25 are ideal for bifocals and trifocals power. They will protect you from any kind of head or back pain even in an uncomfortable posture.


A multifocal lens is the best for occupational places because of changing the position from near to intermediate distance of the progressive plan. There is an option for an office progressive lens that gives larger and wider intermediate vision for a computer screen and has a small vision zone for near distance. Pentax Rebel safety glasses are a better choice for intermediate and near distances.


These occupational lenses are good for computer screen and desk work.  But despite such an advantage, still, you still need other power lens eyeglasses for viewing across the room. Occupational progressive lenses give a limited view and are suitable for distance zones. For this reason, you can wear them while driving or others for which you need a wide field vision for distant places.  


To ensure your frames fit perfectly, you first have to determine which size frames are best for you. The best place to start is with the measurements on a pair you already own. You know those little numbers on the inside of its temple? That's what you're looking for. The frame measurements appear in the following order: lens width, bridge width, and temple length.

Frame Width

Frame Width

To find frame width, measure the front of the frame from screw to screw

Temple Length

Temple Length

Temple length is the measurement in millimeters of the ‘arms' of the frame. This measurement does not vary as much as the others, with 135mm, 140mm, 145mm, and 150mm being the most common options.

Lens Height and Width

Lens Height and Width

Lens height is the distance from the top of a lens to the bottom. Lens Width is the distance from the left side of a lens to the right side.

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