‹ Contact Lens Fitting

Soft Contact Lenses

There are many types of soft contact lenses currently available in the market. They cater to different modality and uses. They can be used to correct myopia (nearsightedness), hyperopia ("youthful" longsightedness), astigmatism and even presbyopia.

Types of contact lenses available:

1. Daily wear
• For 1 day's wear
• To be disposed of at the end of the same day - Not to be reused more than once
• Most hygienic among all modalities
2. Bi-weekly wear
• The same lens can be worn for 2 weeks with proper care and disinfection
• Needs to be inserted and removed daily
• To discard 2 weeks after the contact lens is first worn
3. Monthly wear
• The same lens can be worn for 1 month with proper care and disinfection
• Needs to be inserted and removed daily
• To discard 1 month after the contact lens is first worn
4. Conventional
• The same lens can be worn for 1 to 2 years with proper care and disinfection
• Needs to be inserted and removed daily
• To discard 1 or 2 years after the contact lens is first worn, depending on its condition

Types of soft contact lenses available (with regards to refraction):

1. Spherical (no astigmatism)
• For those with no astigmatism or
• Very low powers of astigmatism below 50° (-0.50D)
2. Astigmatism
• For those with astigmatism of 75° (-0.75D) to a maximum of 275° (-2.75D)
3. Multifocal
• For patients 40 years and above who have presbyopia
• Optimised to enable one to see far, near and intermediate with some compromises
• May not be suitable for those with high degree of astigmatism
4. Cosmetic (coloured)
• For aesthetic purposes
• Comes in a variety of colours and designs




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