Prescription to Contact Lenses

1.Understanding Your Eyeglasses Prescription

Before diving into the conversion process, it's essential to understand the components of your eyeglasses prescription. Typically, it includes the following:

Sphere (SPH): The degree of nearsightedness or farsightedness.
Cylinder (CYL): The degree of astigmatism.
Axis: The orientation of astigmatism correction.
Pupillary Distance (PD): The distance between your pupils.

2.Consult Your Eye Care Professional

The first step in converting your prescription is to consult your eye care professional. They will perform a comprehensive eye examination to determine if contact lenses are suitable for you. They will also measure your corneas and recommend the best type of contact lenses based on your prescription and lifestyle.

3.Choose the Right Type of Contact Lenses

There are various types of contact lenses available, including soft lenses, rigid gas permeable (RGP) lenses, daily disposables, and extended wear lenses. Your eye care professional will help you choose the most appropriate type based on your prescription, eye health, and personal preferences.

4.Adjusting Your Prescription for Contact Lenses

While some eyeglass prescriptions can be directly converted to contact lenses, others may require adjustments. Here are some factors to consider:

Base Curve: Contact lenses have a base curve, which is the curvature of the lens. Your eye care professional will determine the best base curve for your eyes.
Diameter: The diameter of the contact lens must fit comfortably on your cornea. Your prescription may need to be adjusted for the correct diameter.
Power Adjustment: In some cases, the power of your contact lenses may need to be slightly different from your eyeglasses prescription to achieve optimal vision correction.

5.Learning How to Handle and Care for Contact Lenses

Proper handling and care are crucial for maintaining healthy eyes and a comfortable contact lens experience. Here are some essential tips:

Always wash your hands before handling your contact lenses.
Follow the recommended wearing schedule and replacement cycle.
Store your contact lenses in a clean case with fresh solution.
Never use tap water to clean or store your contact lenses.

Regularly clean and replace your contact lens case to prevent bacterial growth.

6.Understanding Prescription Conversion for Contact Lenses

Degree Conversion Table (myopia below 400 degree don't need to conversion)
Frame Glass Degree	Contact Lens Degree
-4.00	-3.75
-4.25	-4.00
-4.50	-4.25
-4.75	-4.50
-5.00	-4.75
-5.25	-5.00
-5.50	-5.00
-5.75	-5.25
-6.00	-5.50
-6.25	-5.75
-6.50	-6.00
-6.75	-6.00
-7.00	-6.50
-7.25	-6.50
-7.50	-6.50
-7.75	-7.00
-8.00	-7.00
-8.25	-7.50
-8.50	-7.50
-8.75	-7.50
-9.00	-8.00

Conclusion:

Converting your eyeglasses prescription to contact lenses is a straightforward process when you follow these guidelines. Remember to consult your eye care professional, choose the right type of contact lenses, and practice proper lens care to ensure a successful and comfortable transition. With the right approach, you can enjoy the freedom and convenience of contact lenses while maintaining clear vision.