Cataract Surgery Brisbane
What is a Cataract ?
How is cataract treated ?
WHAT WILL I EXPERIENCE DURING CATARACT SURGERY
Will I need glasses after cataract eye surgery ?
You can choose 4 options.
Option 1: Monofocal artificial lens implant in both eyes, focused for distance.
The traditional approach has been to insert lens implants which have a single focal point that are focused for distance in both eyes. It is a very good option for those who wish to have excellent distance vision without glasses but who are happy to wear glasses for near (eg reading) and intermediate distance (eg using computers, reading the dashboard of a car).
Option 2: Monofocal artificial lens implant in both eyes, focused for near.
This is an option for those who primarily wish to be able to read without glasses and are happy wearing glasses for distance. This is usually chosen by those who have always been able to read without glasses due to being myopic (short-sighted).
Option 3: “Blended vision” or “monovision.”
In blended vision, artificial lens implants are inserted which result in one eye being focused for distance and the other eye being focused for near. Blended vision significantly reduces the need to wear glasses after cataract surgery. It usually allows people to be glasses-free for most daily activities. Patients may still require glasses for reading very fine print and/or for driving at night. Because one eye is focused for distance and the other for near, it can take the brain a few months to fully adapt to blended vision. In the unlikely event that a person cannot adapt to blended vision, the focal point of the near eye can be changed to distance (with a second lens or laser) so that both eyes are focused for distance.
Option 4: Multifocal artificial lens implant in both eyes.
Multifocal intraocular lenses work by splitting the light that travels through the eye into 3 different focal points: distance, intermediate and near. The result is very good vision for objects at all distances in both eyes and significantly reduced spectacles dependence or even spectacles independence. However, spectacles may still be required for fine near work.
Multifocal/trifocal lenses have some potential downsides. Because these lenses work by splitting the light travelling through the eye into 3, the quality of vision for distance, for example, is not quite as sharp is it would be if the lens focused all light for distance vision.
The second issue is that glare and haloes around lights are more commonly experienced by patients than in monofocal lenses. This usually does not cause any significant problem and, after several months, these are much less noticeable. However, in around 1 in 200 cases, glare and haloes can be very troubling to the point where these lenses need to be removed.