Presbyopia Presbyopia |
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EYE SPECIALIST CLINIC PTE LTD
 
 
Eye Clinic & Optometry Centre for Children and Adults

Presbyopia

What is presbyopia?

Presbyopia is a condition in which your eyes gradually lose the ability to see near objects. This is not an eye disease or disorder, but a natural ageing of the eye.

 

Symptoms

The first symptoms most people notice are difficulty reading fine print, particularly in low light conditions, eyestrain when reading for long periods, blur at near or taking longer time to focus when changing the viewing distances, i.e. from near to far or vice versa. This usually occurs at around age 40.

When people develop presbyopia, they find they need to hold books, magazines, newspapers, menus and other reading materials further away in order to focus properly. Some presbyopes complain that their arms have become “too short” to hold reading material at a comfortable distance.

presbyopia-1

 

What causes Presbyopia?

Presbyopia is caused by an ageing of the eye.

When you are young, the lens in the eye is soft and flexible. This allows the lens to change its shape easily and objects both close and far way can be focused. However, as you age, the lens loses its elasticity and becomes more rigid. It is more difficult for the lens to change its shape to focus clearly on near objects.

 

Treatment

Unfortunately, no medication, supplement vitamins or eye exercises are effective in stopping or reversing the ageing process that causes presbyopia.

Eyeglasses

Reading glasses, bifocals or progressive glasses. By wearing prescription glasses, light rays are refracted (or bend) before they enter the eye to compensate for loss of near vision.

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Contact lens

Contact lenses can be prescribed to correct presbyopia. There are 2 types of contact lenses: monovision and multifocal lenses.

In monovision, the contact lens corrects one eye for distance and the other eye for near vision.

In multifocal contact lenses, the lenses allow both near and distance vision by having different focus zones. However, these different focus zones may cause loss of sharpness when compared to monofocal lens.

 

Refractive surgery

Some people choose refractive surgery to achieve monovision correction where one eye is corrected for distance and the other corrected for near.

Some patients may prefer multifocal correction to create different power zones for seeing at varying distances. Just like the case of multifocal contact lenses, these different focus zones may cause low of sharpness.

The most appropriate correction for presbyopia depends on your need.