Bifocal Glasses – When do You Need Them?

Bifocal glasses have the lenses with two powers meant for near vision and distance vision. The upper segment of the bifocal glass has power which corrects distance vision. The lower segment of the glass corrects near vision. When we read something, for instance, we look down and see through the lower segment of the glasses. When we look into distance, the line of sight passes through the upper segment. How are bifocal glasses different from [...]

2017-08-02T19:57:15+05:30August 2nd, 2017|Glasses and Lenses|0 Comments

Reading Glasses: Read This Before Buying

The term ‘reading glasses’ is used for glasses which are used for near work including reading. The power of the lenses in the reading glasses may exclusively be only for near work or the glasses may have lenses for both distance and near work (bifocal or progressive reading glasses). Why do we need reading glasses? In children and young adults, the natural lens in the eye is more elastic and has the ability to change [...]

2019-12-17T06:42:05+05:30May 30th, 2017|Glasses and Lenses, Eye Care|3 Comments

Smart Glasses With Auto-Adjustment of Power

Scientists at University of Utah have developed a pair of glasses which have the ability to auto-adjust the focus of the lenses in the glasses. This will be very useful to the people who don't want to use bifocal or progressive glasses. The lenses in the glasses are flexible and can change shape - they can become more curved to help near vision and flatter for distance vision. So whether you need glasses for short-sightedness, [...]

Acuvue Oasys for Astigmatism Contact Lenses

Acuvue Oasys for astigmatism are contact lenses for patients with astigmatism made by Johnson and Johnson Vision Products, Inc. Its blink-stabilized design makes sure that the contact lenses remain in place, do not shift and provide clear vision. What is astigmatism? Astigmatism is a type of refractive error in which the light entering into the eye does not focus on the retina evenly. The curvature of the cornea (the transparent tissue at the front of [...]

What Causes Myopia to Worsen?

There are many known factors which promote worsening of myopia (short sightedness or near sightedness). Here is a list of those factors. Find out which ones are relevant to you or your affected relative and try to make changes so that you eliminate them and prevent worsening of short sightedness. It’s important to realize however that all factors are not modifiable. Constant wearing of glasses can cause worsening of myopia. Children with low myopia should [...]

Can Presbyopia Be Managed Without Glasses?

Presbyopia is a condition of middle-age in which near vision becomes poor. It is usually corrected with glasses. The newer treatments are aimed at getting rid of glasses. Corneal inlays are tiny implants which are inserted into the cornea changing its shape and refractive power. Raindrop inlay is one such example. A gel-like device that looks like a miniature contact lens, the Raindrop inlay is smaller than the eye of a needle, and is placed [...]

2017-05-30T13:22:07+05:30March 2nd, 2017|Glasses and Lenses, Lifestyle|0 Comments

When Should I Change My Reading Glasses?

We need reading glasses to correct presbyopia. Presbyopia is a condition which appears around the age of forty years in which distance vision is good but objects at close distance are blurred. This condition is related to age and is clinically similar to hypermetropia (far-sightedness) which is found in younger age group. Click here to know more about presbyopia. Symptoms of Presbyopia Around the age of 40 years, you may start noticing that you cannot [...]

2017-05-30T13:00:48+05:30February 23rd, 2017|FAQs, Glasses and Lenses|1 Comment

Do You Need Glasses After Cataract Surgery?

In a traditional cataract surgery, the opaque natural lens is removed and it is replaced with an artificial lens. The power of these intraocular lenses (IOL) is individualized and calculated before the surgery. The power of the lens is meant for vision for distance only. For all the near work, which includes reading, you need to wear glasses to see well. The good news is that we now have multifocal and bifocal IOLs which [...]

2019-12-17T07:11:31+05:30February 11th, 2017|FAQs, Glasses and Lenses|1 Comment

BBC Reports Misleading Information Spread By Boots And Vision Express About Blue Light

The effect of blue light on the retina is still a controversial subject. Earlier reports suggested that blue light could cause damage to the retina similar to age-related macular degeneration but later studies showed that that was not the case. BBC tried to highlight the issues involving Boots and Vision Express who are misinforming their customers about the effect of blue light without any substantial evidence to support their claim: Boots and Vision Express are misleading [...]

2016-11-18T18:59:38+05:30November 13th, 2016|Glasses and Lenses, Society|0 Comments

Remember This Before You Buy Decorative Or Colored Contact Lenses

Some people use decorative or colored contact lenses for special occasions or parties while some others use them just for a change in their eyewear. The contact lenses which are used for refractive correction are usually prescribed by licensed eye-care professionals. Also, they are sold by licensed shops and websites. The same practice and rules apply to the prescription and sale of the decorative or colored contact lenses also. It’s therefore important to know that [...]

2016-11-10T15:57:38+05:30November 10th, 2016|Glasses and Lenses, Lifestyle|0 Comments
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