Safety Goggles ~ No Valves
- Regular price
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$8.99 CAD - Regular price
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$13.99 CAD - Sale price
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$8.99 CAD
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$8.99
Essential Information
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Detail Description
Safety Goggles No-Valves
- The Material: PVC frame, polycarbonate impact-resistant lens. Advanced lens surface. Enhanced treatment, impact resistance, double-sided anti-fog. Highly transparent, all-round protection without dead angle and wide field of vision
- Adjustable head belt: The elastic band design to facilitate the fastening of the head circumference. It has wide space and it's suitable for head circumferences
- Applicable Places: Hospitals, mining, sports, oil, drilling, scientific research, driving, steel mills, factory operations labor protection industry, liquid research, field investigation, severe sandstorm, heavy dust, and other environmental occasions
- The goggles can be worn in daily life. You can clean them with steam once every two days, which can also eliminate the dust
Standard GB14866:2006
Instructions:Take a product out of the package at the opening. After pulling the elastic band, fix the goggles in a comfortable eye position so that they can firmly fit the face.
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Understanding Your Contact Lens Prescription
Deciphering your contact lens prescription may seem daunting, but Ottika is here to guide you through the process. Below, we break down the key elements of your contact lens prescription to ensure you can confidently choose lenses that suit your vision needs.
1. Sphere (PWR or SPH):
- Denotes the main lens power needed to correct nearsightedness (negative values) or farsightedness (positive values).
- Measured in diopters (D); higher numbers indicate stronger prescriptions.
- Addresses astigmatism, a condition caused by an irregular cornea or lens shape.
- Positive or negative values signify the degree of astigmatism correction required.
- Specifies the angle (in degrees) for astigmatism correction.
- Ranges from 0 to 180; ensures proper alignment of the cylindrical power.
- Represents the curvature of the back surface of the contact lens.
- Ensures a comfortable fit on your eye; measured in millimeters.
- Indicates the width of the contact lens.
- Measured in millimeters; ensures proper coverage on your eye.
- Specifies the brand and material of the contact lens prescribed.
- Different materials offer varied comfort levels and oxygen permeability.
- Some contact lens prescriptions have an expiration date.
- Ensure your prescription is up-to-date for accurate vision correction.
- Sphere (PWR): -2.50
- Cylinder (CYL): -1.25
- Axis: 180
- Base Curve (BC): 8.6
- Diameter (DIA): 14.2
- The contact lens corrects myopia (nearsightedness) with a power of -2.50 diopters.
- Astigmatism correction is -1.25 at an axis of 180 degrees.
- The base curve is 8.6, and the diameter is 14.2.
