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Originally, contact lenses were designed to be used by people with vision problems who dislike, or are just tired of wearing framed glasses. That was then, this is now! Today

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

, contact lenses are purchased for aesthetic purposes as well.

If you would like your eye color to match the color of your dress, with contact lenses, this is easy to do. No

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

Examples of combination products may in

onger limited to transparent lenses, contact lenses allow one to virtually change the color of their eyes, either to bring out their inner radiance, or simply to perfectly comp

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

lement their makeup. And don't limit this aesthetic use to women only, many men use them for reasons similar to a woman's.

Here is a brief description of the variety of conta

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

t lenses available on the market today.

1. Prescription Contact Lenses - Even though contact lenses are being used for a variety of purposes these days, it is important to rem

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

Combination pro

ember that these lenses are medical devices prescribed by a doctor. Prescribed contact lenses will perfectly match your vision needs, and have the lowest incidence of infectio

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

.

2. Disposable Contact Lenses - Disposable contact lenses are those that are replaced regularly; some every two weeks, others more often than that. Two specific variants whi

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

ch fall into this category are frequent replacement contact lenses, and reusable contact lens. Frequent replacement usually means that these lenses are changed monthly, althou

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

h some brands will last up to 3 months. Reusable contact lenses will only require replacement every 6 months or so.

3. Colored Contact Lenses - Fast becoming a consumer favor

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

ite, these lenses come in many different colors, shades, and hues. There are four categories in this classification, and they are: light-filtering tints, visibility tints, opa

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

ue color tints, and enhancement tints. Colored contact lenses are very versatile, and can come in their regular form, or with a different grade for people suffering with astig

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

Following aspects would a

atism. They can also be manufactured in the same way as disposable contact lenses.

4. Toric Contact Lenses - Toric contact lenses are special spherical type lenses that are s

dd to the challenges in developing combination products:

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

oft and made of breathable plastic. This is a custom made lens and can be very expensive. The main difference between a regular contact lens, and a toric contact lens is thei

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

design. Toric lenses are created with curves at different angles. This design is very helpful and accommodating for people with eye problems such as hyperopia, myopia, or as

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

tigmatism.

5. Extended Wear Contact Lenses - Extended wear, in this case, means overnight wear. Extended wear lenses are designed to allow oxygen to reach the cornea making t

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

em perfectly suitable for overnight wear. In fact, most may be worn continuously for 7 days without removal; with available lenses that can extend that time to as much as 30

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

Professional from academic institutions, pharmaceutical industries, health care indust

days.

6. Special Effects Contact Lenses - Feeling adventurous? Have some fun by matching your eye color with that of your Halloween, or theatrical costume. These special eff

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

ct contact lenses allow you to comfortably do just that. Want wild and crazy eyes? Maybe a jaguar's eyes. How about electric blue eyes that show both ice and fire? You can e

.

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

ven find special effects contacts of your favorite sports team logos.

The popularity of contact lenses is easy to understand. They have been made more exciting and fun, with

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

Companies that provide selfless information through particip

ut sacrificing their real medical purpose. So, if you want to change over from your frame glasses don't hesitate. Enjoy the options, and versatility offered by 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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