Doctor insights on:
Best Way To Clean Polycarbonate Lenses
Probably polycarb: Polycarbonate lenses are "high index" lenses . They are often used in high myopes to allow for the glasses to be thinner and lighter. They do have more chromatic aberration though. Discuss the various pros and cons with your optician before deciding what it right for you. ...Read more
Yes: These are high index eyeglass lense materials which allow a thinner eyeglass and for a given power of lens, are lighter than glass or ordinary plastics. This is helpful to the nose which would otherwise have to support a heavier lense. ...Read more
Not related: polycarbonate refers to the material that a lens is made from. Sphericity relates to the way the lens is ground. ...Read more
A little more: Polycarbonate lenses have a higher index of refraction and can be made a little thinner which lightens the eyeglasses and makes them more comfortable. So they charge a little more for them. I consider eyeglass costs way too high for the technology and manufacturing costs, but it is an industry charging what the public will put up with. ...Read more
Polycarbonate (a type of plastic) in cetain thicknesses and specifications, is the type of material used in most industrially used safety glasses. It is reputed to be able to stop a speeding bullet (depends on the speed and type, of course)!
most high-index eyeglass lenses these days are made of alternate material with better optic quality than polycarb. ...Read more
No: And they will be lighter and easier on the nose. ...Read more
No: There are other materials which can be used, trivex for example. ...Read more
I was wondering what are the differences between polycarbonate, polycarbonate aspheric, and 1.67 high index lens?
Lens materials: Polycarbonate and 1.67 high index are different types of plastics used to make lenses for glasses. Aspheric is a type of lens design. Generally the higher index of the plastic, the thinner the lens can made. Higher index materials may induce more distortion in the periphery of the vision. ...Read more
No: I wouldn't worry too much about that. Do clean if off thoroughly before using. ...Read more
Not easily: Scratches in polycarbonate lenses involve the removal of plastic in the scratch. To smooth it out you would need to grind this away which would alter the power of the lense and might induce some distortion. Check with an optical shop to see if some correction is possible or replacement is needed. ...Read more
I have a crack a polycarbonate eyeglass lens starting at the edge. What would happen if hit by ball?
No: Polycarbonate is simply a type of plastic. Things that can help include tints, anti-reflective coatings, glare filters on your monitor and adjustments of lighting. Some people also benefit by changing the color settings on their monitors and sitting further away from the screen. Lubricating eye drops are beneficial and, of course, frequent breaks. ...Read more
I accdently shallowed a small piece of plastic that may have been polycarbonate plastic it was smaller than a dime I think. Will I die?
Not likely: Polycarbonate plastic is inert. With relatively small size of dime, it can usually passes through the gastrointestinal tract without overt risk of obstruction within 24 to 72 hours. However, in rare circumstances, the object can cause obstruction if a person has per existing congenital abnormality, such as achalasia, pyloric stenosis, or other intestinal or colonic stricture. ...Read more
See below: Take them to your optician and ask. They will be able to help you. ...Read more
If an optometrists checks off polycarbonate under "doctor recommends" stuff, what is polycarbonate?
Eyeglass lens: This is a higher index plastic lens used to give power without too much thickness. Your optom feels that with the power you have , that you need that extra thin-ness in your eyeglasses for comfort. ...Read more
Soap and water: And then air dry it.Get a more detailed answer ›
Kidney: The primary function of the kidneys is to filter the body from toxins and metabolites that need to be eliminated from the blood system or tissues. Maintaining good hydration keeps the filter working well, and avoiding harmful substances to the kidney allow it to work effectively. Some medications are taxing on the kidney. ...Read more
Thoroughly.: Retract the foreskin completely, and cleanse with soapy water. Completely dry the glans, or the head of the penis, along with the foreskin. It is important not to leave any significant moisture behind as it can set up for infections or rashes. Avoid irritating powders like talc. Replace the foreskin over the glans. Do this daily. ...Read more
Clean every time: There is cheap, there is easy and there is cheap and effective. Clean every time you use the table - most important! the antimicrobial wipes are effective and easy, but cost the most. You can use a solution of simple bleach diluted 1:1 with water, this makes a great cleaner. If you use this as a spray, though, or any spray cleaner, make sure baby is far from the aerosol when you spray! ...Read more
DON'T shave delicate: Tissue. Insure you use fresh, sharp blades vice dull blades. If hair is > several mm long – then trim before shaving. Wash area before shaving – warm water helps to soften hair. Use a lubricant when shaving. Avoid using products that contain alcohol or are scented. Shave in direction of the hair – not against it. Be gentle when shaving – don’t push down too hard. Moisturize skin after shaving. ...Read more
Wound care: Gently wash the area with mild soap & warm water; rinse; pat dry; apply clean dressing if one was present (ideally, antibiotic ointment, non-stick dressing, topper gauze/tube gauze if available & appropriate to the wound site). Watch for signs of infection: heat, redness, increased pain, pus, separation of wound edges. ...Read more
No: It would be unethical for any physician to aid you in self- mutilating. Please consider getting help via Dialectical Behavioral Therapy. Take Care. ...Read more
The BEST first aid!
Hope this is helpful
Dr Z ...Read more