First of all, let’s understand that it is a progressive lens, and its lens classification can be described as everything. If it is divided from the focal point, the lenses can be divided into single focus lenses, bifocal lenses, and multifocal lenses. Progressive multifocal lenses, also known as progressive lenses, have multiple focal points on the lens.
Progressive lenses are a product of the screening of the times. As the age increases, the ability of the eye to accommodate gradually declines, which causes the patient to have difficulty in near vision, so that in the near-sighted work, the myopic must add a convex lens in addition to its static refractive correction to have clear vision. of near vision. In the past, many elderly people used bifocal lenses to solve the problem of seeing far and near at the same time, but due to their poor appearance and the popularity of progressive multifocals, bifocal lenses were basically eliminated; multifocal lenses are a milestone in the history of lens development. , and will also be the main direction for scientists’ research and development and market popularization in the future. Progressive lens is to achieve far, near, and medium distance on one lens, avoiding the trouble of frequently changing glasses. We have heard a lot about progressive training before, but it is not a new product, but many elderly people still don’t know what to do. If there is such a product, we will take the initiative to ask. Of course, we can also take the initiative to introduce it and let them know that in addition to reading glasses, there are such additional convenient options.
What are the advantages of progressive films?
1. The appearance of the lens is like a single vision lens, and the dividing line of the power change cannot be seen. Not only is it beautiful in appearance, but more importantly, it protects the wearer’s age privacy, and there is no need to worry about revealing the age secret due to wearing glasses.
2. Since the change of the lens power is gradual, there will be no like jumping. It is comfortable to wear and easy to adapt, so it is easy to be accepted.
3. Because the degree is gradual, the substitution of the adjustment effect is also gradually increased according to the shortening of the visual distance, there is no fluctuation in adjustment, and it is not easy to cause visual fatigue.
4. Clear vision is obtained at all distances in the visual field. A pair of glasses satisfies the use of distance, near and intermediate distances at the same time.
Is it suitable for the elderly to wear?
It is suitable. When the progressive film was created, it was used for the elderly, and later developed to the middle-aged and young people, but here I remind everyone that the progressive film is not suitable for everyone. Go to a regular ophthalmologist before getting glasses. , and then choose the lens after a reasonable optometry.
Post time: Jul-27-2022