Category: Cataracts

Parents — Are You Protecting Your Child’s Eyesight?

Survey by The College of Optometrists finds 76% of parents do not protect their children’s eyes in the sun.

A new survey of 2000 British families shows that parents are risking their child’s eyesight by exposing them to bright sunlight without appropriate protection.  Over three-quarters of parents questioned admitted to not making sure their child wears sunglasses when out in the sun.

Overexposure to sunlight can damage the retina and lens of the eye, increasing the risk of developing cataracts, macular degeneration and other eye conditions later in life.  According to the World Health Organization, up to 80% of exposure to UV over a person’s lifetime occurs before the age of 18, so it is crucial that children wear sunglasses to minimize long-term damage.

The survey found that while 43% of parents ensure their child’s time in the sun is limited and 76% make sure they apply sunscreen to their child, buying sunglasses appears to be a much lower priority:  29% of those questioned do not even buy sunglasses for their children.  Of those who do, only 25% choose sunglasses from a reputable brand or supplier, and 46% of parents surveyed choose price over protection when selecting sunglasses.

Dr Susan Blakeney, optometric adviser at The College of Optometrists, stated: “I am shocked to see that so many parents aren’t ensuring that their child’s eyes are protected in the sun, and am equally astounded to see that of those who do, many are opting for ‘cheap and cheerful’ over quality.”

The College of Optometrists recommends purchasing good quality, dark sunglasses that guarantee a safe level of UV protection.

SOURCE:  Parents Risk their Children’s Eyesight in the Sun, The College of Optometrists, August 18, 2009, http://www.college-optometrists.org

Carnosine combats cataracts

Carnosine combats cataracts

In the July 28, 2009 issue of the journal Biochemistry, Italian researchers report that the dipeptide carnosine shows promise not only in preventing cataracts but also in helping to treat the condition. Cataracts, which are characterized by a clouding of the eye’s lens, are a major cause of visual impairment among older men and women, and surgery is currently the only effective treatment.

Enrico Rizzarelli of the University of Catania and his colleagues tested the effects of D- and L-carnosine on bovine cultured alpha-crystallin, the major structural protein in the lens of the eye. The cultures were treated with guanidine, a compound that is known to cause cataracts via the formation of alpha-crystallin fibrils. Co-incubation of the cultures with carnosine helped inhibit fibrillation, and the addition of carnosine to pre-existing fibrils was found to almost completely dissolve them.

UPDATE

Researchers have replicated earlier studies demonstrating that eyedrops which include 1% n-acetyl-carnosine are helpful for supporting lens health, a factor in cataracts. Research also indicates these eyedrops may also be helpful for the health of the macula, retina, and optic nerve.

Published: Dr. Babizhayev, et al, N-Acetylcarnosine Lubricant Eyedrops Possess All-In-One Universal Antioxidant Protective Effects of L-Carnosine in Aqueous and Lipid Membrane Environments, Aldehyde Scavenging, and Transglycation Activities Inherent to Cataracts: A Clinical Study, American Journal of Therapeutics;16(6):517-533).

Editor’s Note: For information on Can-C eyedrops (1% n-acetyl-carnosine eyedrops), go to Can-C eyedrops

Bilberry: Macular Degeneration & Cataracts

Bilberry

European Bilberry (Vaccinium myrtillus)

Bilberry is one of the anti-oxidant rich fruits which are commonly recommended for vision conditions as well as being helpful for many other health conditions. It’s a common component in many nutritional formulations intending for vision.

There has been preliminary evidence that bilberries may help inhibit or even reverse macular disorders such as macular degeneration. Wikipedia points out that because they contain a lot of anthocyanin pigments (very dark blue) they may reduce risk for problems of the heart and cardiovascular system, eyes, and cancer.

Bilberry, a cousin to our native American blueberry or huckleberry, is, according to Wikipedia,

“… is a name given to several species of low-growing shrubs in the genus Vaccinium (family Ericaceae) that bears fruits. The species most often referred to is Vaccinium myrtillus L., otherwise known as the European blueberry. Other names are blaeberry, whortleberry, whinberry (or winberry), wimberry, myrtle blueberry, fraughan, and other names regionally.”

They don’t grow well domestically and so are harvested wild. Wikipedia points out, in fact, that it is a right, in most European countries to harvest bilberries anywhere, on anyone’s property, except in the owner’s own private garden. Public domain!

Why do bilberries help? Apparently primarily because they contain powerful anti-oxidants. More specifically, their flavonoids contain an unusually large amount of antioxidants. Flavonoids are organic compounds not directly involved in normal growth, but which assist in healthy maintenance, and whose lack causes problems.

An abstract in Advances in Gerontology, a Russian publication, discusses treatment of rats with cataracts and macular degeneration.
The abstract points out that:

“Bilberry’s flavonoids are known as potent antioxidants, scavenging free radicals and used for multiple age-related ocular disorders.”

The Russian researchers used rats with early senile cataract and macular degeneration. They were given a diet with 25% bilberry extract over a 1.5 to 3 month period (with vitamin E as a comparison). 70% of the rats given vitamin E had cataracts and macular degeneration, and those who received bilberry extract had none.

In one Italian study (I could not find the original research) 50 people with early cataract took bilberry extracts 3 times a day – the treatment stopped the progression of cataracts in 97% of the participants. Source: 100 Healing Herbs. Another study published in Alternative Medicine Review, 2001, mentions bilberry as a possible aid for cataracts.

Bilberry is a major ingredient of Dr. Grossman’s Advanced Eye & Vision Support Formula, and is been part of his recommended protocol for patients with macular degeneration and other macular conditions and cataracts.

Sources: https://en.wikipedia.org/wiki/Secondary_metabolite
https://en.wikipedia.org/wiki/Flavonoid
https://www.ncbi.nlm.nih.gov/pubmed/16075680
https://en.wikipedia.org/wiki/Bilberry
https://www.ncbi.nlm.nih.gov/pubmed/16075680
https://www.ncbi.nlm.nih.gov/pubmed/16294503
100 Healing Herbs, Castleman, Michael
https://www.ncbi.nlm.nih.gov/pubmed/11302779
https://www.nlm.nih.gov/medlineplus/druginfo/natural/patient-bilberry.html

Vitamins E and B May Slow Lens Opacity

Long-term use of vitamin E supplements, as well as increased intake of riboflavin (vitamin B2) and/or thiamin (vitamin B1), may help reduce the progression of age-related lens opacification.

Lens opacification (or clouding) is caused by the disruption of the transmission of light through the eye lens due to damage to the lens cells.  When the opacification creates a reduction in visual acuity, it is referred to as a cataract.   Studies suggest that oxidation is responsible for much of the damage to the lens and that antioxidants, such as vitamins C and E, might protect the lens against formation of cataract.

Researchers conducted a five-year study of 408 women from the Nurses’ Health Study, aged 52 to 74 years at baseline. The women’s nutrient intake was calculated from five food frequency questionnaires collected over a 13- to 15-year period.  During this time the duration of vitamin supplement use was assessed using seven questionnaires.  At the end of this period the degree of nuclear density was determined.

Women who never supplemented with vitamin E had a 42% higher risk of getting cataracts than women who had supplemented vitamin E for 10 years.

Researchers concluded that long-term use of vitamin E supplements and higher riboflavin and/or thiamin intake may reduce the progression of age-related lens opacification.

Where can you find good sources of these vitamins?

  • Vitamin E can be found in almonds, asparagus, avocado, nuts, olives, red palm oil, seeds, spinach and other leafy vegetables, wheat germ, and milk
  • Riboflavin is found naturally in asparagus, bananas, okra, chard, cottage cheese, milk, yogurt, meat, eggs and fish.
  • Foods rich in thiamin include yeast, oatmeal, brown rice, whole grain flour (rye or wheat), asparagus, kale, cauliflower, potatoes, oranges, liver (beef or pork), and eggs.

Learn more about cataracts including recommended vitamins and supplements

Source:  Jacques, et al, Long-term Nutrient Intake and 5-Year Change in Nuclear Lens Opacities, Arch Ophthalmol. 2005;123:517-526.

Another Study on Antioxidants: Bilberry May Ward Off Cataracts and Macular Degeneration

Research shows bilberry extract helps fight against macular degeneration and cataracts in lab rats

Cataracts and macular degeneration are the major cause of vision deterioration in the elderly. A study by Russian scientists shows that taking bilberry supplements may help ward off these diseases.

Researchers used a particular strain of lab rats (OXYS rats) capable of reproducing many of the key features of human age-related cataracts and macular degeneration. From 1.5 to 3 months, these rats were given either a control diet or a diet supplemented with bilberry extract.

At 3 months, more then 70% of the rats in the control group had cataract and macular degeneration. Rats in the group given bilberry extract had no impairments in the lenses and retina.

Bilberry is also known as European blueberry, and is closely related to North American wild and cultivated blueberries and huckleberries. Bilberry is known to be a potent antioxidant and has been shown to help other vision problems such as glaucoma.

Results suggest that long-term supplementation with bilberry extract is effective in prevention of macular degeneration and cataract.

Read more research on cataracts and macular degeneration

Source: “Dietary supplementation with bilberry extract prevents macular degeneration and cataracts in senesce-accelerated OXYS rats”, Fursova et al, Adv Gerontol, 2005; 16: 76-9.

More Evidence that Antioxidants Help Fight Eye Diseases Such as Cataract

Antioxidants not only help prevent some eye diseases, they may also help limit progression of the diseases

It’s known that taking antioxidants helps delay the onset of some eye diseases associated with aging, such as cataract. Now researchers believe that antioxidants can be effective if damage to retinal tissue has already set in.

Researchers at the University of Maryland School of Medicine studied the effects of reactive oxygen species (ROS)-induced damage to retinal tissue. An increase in ROS levels can result in significant damage to cell structures — a situation known as oxidative stress. Oxidative stress is a significant risk factor in the development of many eye diseases associated with aging.

Since the formation of cataract is a well-defined progressive disease, believed to be related to a continued generation of ROS in the aqueous humor, the researchers hypothesized that even a late start with an appropriate antioxidant could halt the process and delay cataract development and vision impairment.

The results? Adding pyruvate — known to be an effective ROS scavenger — to lens cultures after lenses had sustained 50% damage was significantly effective in preventing progress.

Pyruvate can be found in foods such as red apples, and to a lesser extent, in dark beer and some cheeses.

Learn more about antioxidants

SOURCE:  “Oxidative damage to lens in culture: reversibility by pyruvate and ethyl pyruvate”, Varma, et al, Ophthalmologica, 2008; 222 (3):194-198.

Update: More Evidence on Antioxidants & Cataract

Cataracts are the leading cause of blindness around the world.  Studies suggest that oxidation is responsible for much of the damage to the lens and that antioxidants might protect the lens against formation of cataract.

Scientists at the University of Sydney and the University of Melbourne in Australia have released their investigation of the relationship between antioxidant nutrient intakes and the incidence of age-related cataract.

During 1992–1994, 3654 people aged 49 years or older attended baseline examinations as part of the Blue Mountains Eye Study.  Of these, 2464 (67.4%) of the participants were evaluated again at either 5 years or 10 years.  At each examination, lens photography was performed and food-frequency questionnaires were administered.  Antioxidants, including beta-carotene, zinc, and vitamins A, C, and E, were assessed. Cataract was assessed at each examination from lens photographs with the use of the Wisconsin Cataract Grading System.

Participants whose total intake of vitamin C (diet as well as supplements) was in the top 20% of the group had a reduced risk of nuclear cataract.  An above-median intake of combined antioxidants (vitamins C and E, beta-carotene, and zinc) was also associated with a reduced risk of incident nuclear cataract.

Study authors concluded that higher intakes of vitamin C or the combined intake of antioxidants had long-term protective associations against development of nuclear cataract in this older population.

SOURCE:  Tan, et al, Antioxidant nutrient intake and the long-term incidence of age-related cataract: the Blue Mountains Eye Study,  American Journal of Clinical Nutrition, Vol. 87, No. 6, 1899-1905, June 2008.

 

 

Even Moderate Vision Loss Increases the Risk of Injuries in Older People

It’s no surprise that failing eyesight leads to more accidents, but a new study shows early intervention to correct even minor visual impairment may prevent injury.


Decreased vision in older people is commonly related to an increased risk of falling, and a new study has scientifically evaluated this link. The goal of the study was to determine whether visual loss was associated with a higher incidence of injurious accidents and whether walking speed or physical activity influenced this association.


416 people aged 75 to 80 years were tested for visual acuity. Those testing at less than 20/60 in the better eye (with spectacle correction when necessary) were defined as visually impaired. Those tested with visual acuity between 20/60 and 20/40 were defined as having lowered vision. Those testing at greater than 20/40 were defined as having normal visual acuity.


Hospital records of accidents with injuries were monitored for ten years, during which 239 participants (58%) suffered at least one injurious accident. Even considering other factors (age, gender, eye-related diseases, diabetes and cardiovascular diseases), the risk of injurious accidents for participants with lowered vision was 1.45 compared with those with normal visual acuity.


Interestingly, participants with visual impairment did not have an increased risk for accidents over those with lowered vision, and neither walking speed nor physical activity had a mediating effect on the relationship between visual loss and accidents.


Researchers have therefore concluded that lowered vision is a risk factor for accidents in older people independent of mobility and physical activity.


In light of this research, early intervention strategies such as proper correction of vision or cataract extraction are truly important in preventing accidents in the elderly.


SOURCE: Kulmala J, Era P, Parssinen O, et al. Lowered vision as a risk factor for injurious accidents in older people. Aging Clin Exp Res 2008;20(1):25-30.

Study: Cataracts & N-Acetyl-Carnosine (NAC)

This study showed that using eyedrops containing n-acetyl-carnosine can stabilize and even improve cataracts.

Statistical analysis revealed the significant differences over 6 and 24 months in cumulative positive changes of overall characteristics of cataracts in the NAC-treated Group II from the control Group I. The N-acetylated form of natural dipeptide L-carnosine appears to be suitable and physiologically acceptable for nonsurgical treatment for senile cataracts.

Peptides 2001 Jun;22(6):979-94

See more information on cataracts and nutrition.

Juicing Tips – What combinations of fruits & vegetables would be best to juice?

Overview | Enzymes | Recipes

Juicing Tips

We consider daily juicing of primarily organic vegetables and fruits to be an essential part of any long term healing program. Juicing provides a highly effective and efficient way for the body to be able to absorb essential nutrients into the blood and cells, taking a little as a few minutes for the body to start utilizing these nutrients.

Why is juicing so important?

    1. What are enzymes? The basic key to the efficacy of nourishing your body is the life present in food and of those intangible elements known as enzymes.  
    2. Why not just eat fruits and vegetables for our essential nutrients? Solid food requires many hours of digestive activity before its nourishment is finally available to the cells and tissues of the body. 
    3. Can juicing prevent disease? Many studies point out that a diet high in fruits and vegetables does in fact reduce the incidents of serious disease.
    4. Do vegetables contain protein? Although fruits and vegetables do not contain large quantities of protein, their juice can be a convenient carrier.
    5. What are phytochemicals? They are substances in plants that are linked to good health and to prevention of specific diseases. They are found only in fruits and vegetables, and juicing is a great way to get them.
    6. How much juice can be taken safely? As much as one can drink comfortably without forcing oneself. Recommended amount of juice per day is at least 1 pint per day. Some healing centers actually do 2-8 pints per day for therapeutic purposes.
    7. Can I store the juice I make? Juices should generally be drunk when prepared, since certain enzymes and vitamins break down pretty quickly in sunlight.
    8. What combinations of fruits and vegetables would be best to juice? There are many different recipes  See more info …, but in general at least 50-75% of the juicing should consist of greens (spinach, kale, chard, parsley, dandelion, watercress, broccoli, etc.)
    9. Can I still continue to eat fast food and sugar products? These should be kept to an absolute minimum as they use our precious resources to breakdown and digest, offering little in the way of healthy nutrients.
    10. Should I use only organic products? In general, yes. By juicing all non-organic products, we stand the chance of taking in concentrated amounts of pesticides used on the plants, thereby negating the value of daily juicing.
    11. What juicer should I use? There are a number of excellent juicers.  We like the pulp extracting omega juicers that juice without generating heat that can destroy some of the essential nutrients. At 80 RPM (most juicers work at 3600 RPM and higher), it essentially masticates the fruits and vegetables slowly, preserving the most nutrients possible. The disadvantage is that the process is a little slower, and cleaning takes a couple of more minutes.

What are enzymes?

The basic key to the efficacy of nourishing your body is the life present in food and of those intangible elements known as enzymes. Enzymes are complex substances that enable us to digest food and absorb it into our blood. They are the body’s ‘working force’ that act as catalysts for many essential life functions, such as separating the nitrogen from the air we breath, so we may absorb the oxygen. They act as catalysts in probably millions of chemical reactions that take place throughout the body. They are essential for the digestion and absorption of the food we eat and drink … for conversion of food to body tissue, and for the production of energy at the cellular level.

Enzymes become sluggish at cooking temperatures above 118 degrees, and are destroyed at temperatures above 130 degrees (microwaves completely destroy enzymes in your food).
Fresh juices are a wonderful source of enzymes. Food which has been cooked at temperatures above 118 simply don’t have the properly functioning enzymes to allow you to enjoy the full benefits of their nutrients.

Why not just eat fruits and vegetables for our essential nutrients?

Solid food requires many hours of digestive activity before its nourishment is finally available to the cells and tissues of the body. While fibers in foods are essential for helping cleanse our digestive tract, the removal of fibers in the extraction of juices allows essential nutrients to be absorbed within minutes instead of hours, and with little effort by our body.

Do vegetables contain protein?

Although fruits and vegetables do not contain large quantities of protein, their juice can be a convenient carrier. Simply add some brewer’s yeast, wheat germ, or whole grains to whatever you’re juicing. These give you protein without the fat that meat contains, and protein that is quickly and easily absorbed by the body.

What to Juice?

There are many different recipes but in general at least 50-75% of the juicing should consist of greens: spinach, kale, chard, parsley, dandelion, watercress, broccoli, etc.

Sample Juicing Recipes for Specific Eye Conditions

Cataracts, Conjunctivitis
We recommend carrot, spinach, celery, endive, parsley, blueberry, apple – not too much fruit.

Glaucoma
We recommend celery, carrots, cucumber, radish, turnip, parsley, beets, cabbage, raspberries, plums, apple (not too much fruit).

Macular Degeneration
We recommend broccoli, green bell pepper, red bell pepper, apples, raspberries, leafy greens

Best’s Disease

We recommend daily juicing of vegetables and fruits (preferably organic) – some combination of the following: ginger, garlic, leeks, parsley, beets, cabbage, carrots, celery, spinach, apples, grapes, raspberries, lemon, chlorophyll, wheat grasses (not too much fruit). See the discussion of best’s disease for other points

Optic Neuritis

We recommend: ginger, parsley, beets, cabbage, carrots, endive, chlorophyll, wheat grasses, berries (all organic preferably)

Other Conditions

Peptic Ulcers – cabbage juice promotes rapid healing of patients with peptic ulcers

Urinary Tract Infections – cranberry juice is well known to help with bladder and urinary tract infections

Heart Disease – also well known is the beneficial effect of pomegranate juice. Antioxidants (compounds that limit cell damage by fighting free radicals) contained in pomegranate juice may help reduce the formation of fatty deposits on artery walls. The antioxidant level in pomegranate juice was found to be higher than that in other natural juices, such as blueberry, cranberry, and orange juices.

Resources
N.W. Walker, D.Sc. “Fresh Vegetable and Fruit Juices: what’s missing in your body?”
Michael T. Murray, N.D. “The Complete Book of Juicing”

Paul Pitchford, N.D. “Healing with Whole Foods”

Research on peptic ulcers & cabbage juice
Research on UTI & cranberry juice