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Doctor insights on: What Are High Index Lenses

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What are high index lenses?

What are high index lenses?

Plastic lenses: These are eyeglass lenses made of a plastic which will bend light more than the usual plastic . Because of this, a thinner lens is possible and has the advantage, being plastic, of being lightweight although somewhat susceptible to scratching. ...Read more

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I was wondering what are the differences between polycarbonate, polycarbonate aspheric, and 1.67 high index lens?

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

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Glasses- polycarbonate lenses, what are these and what are the benefits?

Glasses- polycarbonate lenses, what are these and what are the benefits?

Polycarbonate: Polycarbonate is a shatter-resistant plastic that is used in all children's glasses and in safety glasses. It is also used for certain types of glasses frames because of its toughness. ...Read more

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Could you tell me what are foods that are low in glycemic index?

Could you tell me what are foods that are low in glycemic index?

Glycemic index: Is measure of how fast a food will raise the blood sugar when eaten. Fruits like bananas, grapes etc have high glycemic index and raise bs quickly compared to foods with lower glycemic index like sweet potatos high fiber foods, etc. You should be able to find a book or list on the internet of low glycemic foods. ...Read more

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What are the dangers of low BMI and high cholesterol?

What are the dangers of low BMI and high cholesterol?

LDL, not Cholesterol: Cholesterol is a fat molecule manufactured by every animal cell, a building block of each cell membrane (enables membrane fluidity/movement without tearing), is fundamental to the survival of every animal cell. Lipoproteins (proteins which transport all fats in the water outside cells) is the correct issue for artery disease (e.g. Ldl ?700 nmol/l, HDL ?45 µmol/l). Cholesterol ?$, but misleading. ...Read more

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Her Tumor M2-PiruvateKinase numbers are above 100 pcs/ml. What does this high number of Tumor M2-PK mean? Which treatment do you advise us?

Her Tumor M2-PiruvateKinase numbers are above 100 pcs/ml. What does this high number of Tumor M2-PK mean? Which treatment do you advise us?

What Type Cancer?: You need to tell us about the type/site of origin of cancer, and its stage before we can help you address this question. The enzyme that you have asked about is of no consequence at the present time. So I would not be too concerned about the Pyruvate kinase level. ...Read more

Dr. Tony Ho Dr. Ho
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What is considered dangerously high blood sugar and what are the symptoms?

Dr. Tony Ho Dr. Ho
1 doctor agreed:
What is considered dangerously high blood sugar and what are the symptoms?

Depends: It depends on what other associated symptoms there are; if you sugar is only moderately high, but you have signs of severe dehydration and/or dka, this would be a dangerous level. ...Read more

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What numbers are considered PRE GLUACOMA in terms of the measurement for eye pressure?

What numbers are considered PRE GLUACOMA in terms of the measurement for eye pressure?

Not just pressure.: Pressure alone does not dictate glaucoma. Ocular hypertensive have higher than normal pressure (20mm/hg +/- 2) without even developing glaucoma. Some patients develop low pressure glaucoma with pressures of 11. degree of optic nerve cupping, +/- progression, retinal nerve fiber layer and visual fields are all used to evaluate a glaucoma suspect , irregardless of pressures. ...Read more

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What are high residue food?

What are high residue food?

Veges: Any food stuffs that contain large amounts of fiber. Fiber is plant sourced undigestable cellulosic solids, that adsorb water from the gut, thereby giving more "bulk" to stool. And function as a natural stool softener. We should all have an optimum number of grams everyday, but folks who already have large bulky stools might consider an alternative. ...Read more

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What would the low glycemic index diet and what foods are in it be?

What would the low glycemic index diet and what foods are in it be?

Low sugar: Low glycemic index means foods that are low in simple sugars. Meats chicken, fish and nuts have no sugar at all- they are protein and fat. They have the lowest glycemic index. Then include most vegetables, and to a less degree fruits. Fruits are low in processed sugar. High in glycemic index are processed foods such as white flour, and grains striped of their fiber. Candy- pure sugar is high. ...Read more

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What are tumor markers used for? What if some are in higher range?

What are tumor markers used for? What if some are in higher range?

To follow cancer.: Tumor markers are substances made by some tumors that can be measured in a blood sample. Patients with stage IV cancer can sometimes be followed by the blood tests alone instead of repeat imaging studies. They can also help a doctor tell the difference between certain types of cancer. But if you just test everyone's blood for tumor markers, some will be higher than normal, even with no cancer. ...Read more

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What are foods that lower high hematocrit levels?

What are foods that lower high hematocrit levels?

None: You need to determine the cause of your high hematocrit and treat the cause. It is not a do-it-yourself issue. Please consult your doctor. ...Read more

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What are my chances of inheriting heart disease, asthma, high blood pressure, or wearing contacts? Are these things hereditary?

What are my chances of inheriting heart disease, asthma, high blood pressure, or wearing contacts? Are these things hereditary?

Anyone's Guess: You have control over most of these based on how well you care for yourself. Asthma can be difficult to prevent but easy to manage if you develop it. Don't worry too much and take good care of your health. Exercise and eat right! ...Read more

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What is more worrisome? Low systolic or diastolic? My reading are 88/52. And what that's number indicated?

What is more worrisome? Low systolic or diastolic? My reading are 88/52. And what that's number indicated?

Symptoms?: I would not be worried if you don't have any symptoms. If you feel faint, dizzy, nauseated, then I would be worried. Both numbers are important but only if you have symptoms. ...Read more

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What are some food/ beverages that are high on vitamin D?

What are some food/ beverages that are high on vitamin D?

Wild fatty fish: It can be challenging to get sufficient Vitamin D through diet alone. Exposure to the sun (uncovered arms and legs for 15-20 minutes without sunscreen) is the best way to increase Vitamin D levels. Otherwise fatty fish are probably the best dietary source of Vitamin D. Choose wild caught (not farm-raised) salmon, mackerel and trout for some of the highest levels of vitamin D. ...Read more

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Please explain what foods are high in calories but low in nutritional value?

Please explain what foods are high in calories but low in nutritional value?

Most man made foods: I always have the same answer for this question. Eat God made food and leave the man made food alone ...Read more

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What are the dangers of low BMI?

What are the dangers of low BMI?

Low BMI: Indicates low weight & can cause anemia, low bone density, hormonal imbalance, low functioning immune system, cardiac problems, low energy, insomnia, constipation, frequent illnesses, malnutrition. ...Read more

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What are high index lenses?

Plastic lenses: These are eyeglass lenses made of a plastic which will bend light more than the usual plastic . Because of this, a thinner lens is possible and has the advantage, being plastic, of being lightweight although somewhat susceptible to scratching. ...Read more