Advice Pool - Health and Fitness

Glasses inconvenience brought to CONTACT LENSES correction development, and not only from plastic which can be worn under the eyelid, directly on the ocu

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

lar eye. These CONTACT LENSES minimize radically the breaking risk, which is always present at normal glasses, because the contact lens is being protecte

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

Examples of combination products may in

by its shape, as the eye by skull shape. Nowadays lenses cover only the eyes cornea. So called soft CONTACT LENSES are used frequently and they are form

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

ed from a soft plastic, which casts on the eye.

Glasses

Lenses or prisms wear in front of the eyes for compensate different sight problems. The most usual sha

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

e of glasses is: a pair of glass lenses, in a metal or plastic frame and with the prop for nose. The frame is being hold by screws or arms, which catch the head

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

Combination pro

or the hook behind the years.

There are also used: - protection glasses, also called sun glasses;

* glasses for swimming;

* glasses for protection in bu

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

ldings.

contact lens History

The first lenses are from the time of Greeks and Romans, where glass spheres were filled with water. Those lenses f

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

illed with water were used as glasses with fire. The real glasses didn’t appeared in classic times; they were manufactured for the first time at the end of the

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

3th century, in Europe. The process of lenses fabrication didn’t changed too much since the Middle Ages, beside the utilization of grinding degree, introduced b

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

y Isaac Newton.

The recent developments of plastic and special processes for modulate them, brought to the increase of lenses production. Plastic lenses are ea

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

ier, cheaper and less fragile then the ones from glass.

In 1286, the Englishman Roger Bacon registered a declaration about optic lenses utilization. Glasses we

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

Following aspects would a

re first used in Italy, Europe. Starting with the 15th century, the request for glasses increased so that in 1629 had become a real business.

The first pair of

dd to the challenges in developing combination products:

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

bifocal glasses was made by Benjamin Franklin in 1760.

Lenses are used in optical systems from glass or any other transparent substance, with a form that allow

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

s refracting the light of any object of real or virtual shape. CONTACT LENSES and lenses from glasses are use

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

in medical purposes.

Lenses are also used at microscopes, telescopes and other optical tools.

Lenses producing

In most cases, lenses are formed from

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

a kind of superior quality glass. This is called also optical glass, which has no internal defects, air bubbles or other flaws. The process of making a lens fro

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

Professional from academic institutions, pharmaceutical industries, health care indust

a glass block implies a few operations. The first step is tracing a shape of lens on the glass block. After its cut, it’s pressed with a piece of thin metal, w

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

hose edges are strewed with diamante powder.

The piece of glass it’s brought to its shape by cutting it with an iron plate covered with a mixture of water and

.

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

dhesives.

For obtaining the lens surface are used concaves or convexes tools, loaded with abrasives.

The finishing process of the lens is the grinding, and af

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

Companies that provide selfless information through particip

ter that, the last thing is to cut from the edges, so that they will be equal... www.mycontact-lens.com

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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Advice Pool - Contact Lenses - History And Producing

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