Why do we become more "far-sighted" as we grow older?
This is due to a progressive change that occurs within the natural lens of the eye and is called Presbyopia. Although similar to far-sightedness in its effect, these two conditions are not identical. Please see far-sightedness and presbyopia for more information.
 
Do I still need specs if I wear contact lenses?
Yes. Many spectacle wearers are happy using their glasses but want the option of contact lenses for certain occasions. Examples include partaking in a sporting activity once or twice per week or weekend or holiday use. At OPTX, your Optometrist will help you decide on the best contact lens system to meet your requirements. Generally, daily disposable soft lenses are the best type for occasional wear as they are so easy to use. The responsibility of cleaning them is removed since they are discarded immediately after use.
 
What are polarized lenses?
These are special tinted lenses that polarize light as it passes through. This means that light from only certain planes is allowed to pass through while the rest is eliminated. Visually, the effect would be to get rid of unwanted stray light. This can be quite useful for the avid fisherman, for example, who wants to see just beneath the surface of the water without having to worry about distracting reflections from the surface. They can be made with or without prescription, but may take slightly longer to put together as they need to be ordered. Ask your dispenser for more information on these lenses.
 
What should I do if my contact lenses feel dry?
It is always wise to carry contact lens comfort drops in your handbag or back pocket. The preservative-free single use drops are best recommended and may be used as and when required for extra comfort. Environments to watch out for are smoky and dusty places, gyms, where working out causes your body temperature to rise and eyes to dry out as a result, air-conditioned and heated offices, especially when coupled with staring at a computer all day and long-distance driving. Take care to only use drops specified for use with contact lenses and ask your Optometrist if you are unsure.
 
Sometimes I see flashing lights, my vision goes 'watery' & I get a headache. Is this an eye problem?
No. You have probably experienced a migraine attack. Your GP would be the best person to advise you on what to do. Flashing lights that seem fairly constant are more serious as this may indicate a problem with your retina. Fairly urgent assessment of your eyes is then required and you should see an ophthalmologist as soon as possible
 
 
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