Advice Pool - Health and Fitness

The choice of which lens is right for you should be based only on an examination by your doctor or eye care professional, not over the phone. Be careful about buying cheap contact lenses, they may not be the quality you wa

According to USFDA, a combination product is one composed of any combination of a drug and device; biological product and device; drug and biological product

nt; discounted quality contact lenses are the most desirable. Always buy from a reputable company; you can buy discount contact lenses without a prescription, but the company is selling you a prescription device as if it w

; or drug, device, and biological product and fixed dose combination would include two or more combinations of drug.

Examples of combination products may in

ere an over-the-counter device, in violation of FTC regulations - selling you lenses without having a prescription from you.

Contact lens wearers are usually surprised and happy with the level of comfort that lenses provi

lude drug-coated devices, drugs packaged with delivery devices in medical kits, and drugs and devices packaged separately but intended to be used together.

e. In the U.S. contact lens marketplace, 82 percent wear soft lenses, 16 percent wear rigid gas-permeable lenses and only 2 percent wear hard lenses.

While the ability to hold water increases the oxygen permeability of so

here is enormous increase in the number of combination products entering the market in the recent years. Combination products have proven advantages but fixe

ft lenses, it increases their fragility quotient as well. Extended wear contact lenses are used for overnight or continuous wear ranging from one to six nights or up to 30 days. Rigid gas permeable contact lenses are more

d dose combinations are still in the process of convincing regulatory authority on their advantages over the single ingredient formulations.

Combination pro

urable, resistant to deposit buildup, and generally give a clearer, crisper vision.

You can mark rigid lenses to show which lens is for which eye; they don't rip or tear, so they're easy to handle. Disposable lenses don't

ucts have become life saving products for the pharmaceutical companies who doesn’t have many innovative molecules in their product pipeline and have been inc

come with instructions for cleaning and disinfecting, while those labeled specifically for planned replacement do. The length of continuous lens wear depends on the lens type and your doctor's evaluation of your tolerance

easingly used in the product life cycle management. Even the companies having product patents are trying to extend their product life cycle through the combi

for overnight wear.

Soft lenses are easier to adjust and are much more comfortable than rigid lenses, because they conform to the eye and absorb and hold water. Keep in mind contact lenses are often more complex than app

nation products and maximize the revenues. But the companies involved in this practice are overlooking that they are burdening the patients both economically

ars. Soft lenses have the added benefit in that soft lenses aren't as likely as rigid lenses to pop out or get foreign material like dust underneath.

People who have good distance vision but need help for reading can get

and physically. They need to rightly judge the benefits of the combination products and they have to even look at the risks involved when combining the produ

a monovision reading lens for one eye. Extra-thin soft lenses are on the market for very sensitive people.

Before you buy online, check to see if there are any testimonials at the online supplier's website. When you place

ts. Some of the combination products were well accepted by physicians while others suffered. Companies involved in development of combination products are fi

your contact lens order, request the manufacturer's written patient information for your contact lenses; it'll give you important risk and benefit information as well as instructions for use. Always ask what rebates are av

ding difficulty in defining their combination products and facing various challenges from selecting a combination to marketing it.

Following aspects would a

ailable.

Always buy from a reputable company; you can buy contact lenses without a prescription, but the company is selling you a prescription device as if it were an over-the-counter device violating FTC regulations by s

dd to the challenges in developing combination products:

Which markets to tap where the combination products can do fairly well?
Which combination prod

elling you contact lenses without having your prescription. Buy your contact lenses from a supplier you're familiar with and know is reliable or has name familiarity When you receive your order, if you think you've receive

cts are meaningful and rational?
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin

an incorrect contact lens, check with your doctor or eye care professional right away; don't accept any substitution unless your eye care professional approves it.

Check out how long the online supplier has been in busin

tions increase the patient compliance?
What would be the developing cost?
How to tackle the risks encountered during combination product developmen

ess before you buy. Focus on value, not just the price; most people looking for the best price are really looking for the best value. Make sure you have a current, valid prescription when you order contact lenses.

The FDA

t?

As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel

has approved extended-wear lenses for use up to seven days before removal for cleaning; but there are risks with use of extended-wear lenses even for one night. Always throw away disposable lenses after the recommended wea

ping new procedures for reviewing their safety, efficacy and quality.

Professional from academic institutions, pharmaceutical industries, health care indust

ring period. Under the binding down of a rigid contact lens during sleep, the flow of tears and oxygen to the cornea is reduced; lack of oxygen leaves the eye vulnerable to infection.

If your eyes become red or irritated,

y and representatives from various regulatory agencies are working out to design the regulatory requirements for manufacture and sale of combination products

remove the lenses immediately and consult with your doctor. Extended-wear rigid lenses can cause unexpected, undesirable, reshaping of the cornea. Don't wear lenses any longer than they're prescribed for, nor when sleepin

.

As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de

unless you are otherwise directed.

If you're looking for cheap contact lenses, you may find that cheap materials or other ways of cutting costs will affect the quality you'll want for your precious eyes. Laser surgery an

elopment. They need to be wiser in analyzing the market trends and the regulatory requirements.

Companies that provide selfless information through particip

d its risks can be frightening and too expensive for some people; contacts can provide a safe, comfortable and time-tested alternative. Make sure you've done your homework before you buy any pair of discount contact lenses

tion in industry events and feedback to regulatory authorities would be able to face the challenges and will be successful in developing combination products

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