Contact Lenses: How to Choose the Right Type and Use Them Safely – A Guide from Al-Farabi Clinics

Contact lenses have become a popular choice for many people who need vision correction or want to change their eye color. But with so many types available, how do you choose the one that’s right for you? And how can you use them safely?

In this article, the optometry specialists at Al-Farabi Clinics offer you a complete guide to choosing and using contact lenses properly, along with answers to your most important questions.

Types of Contact Lenses

Daily Lenses:

• Used once and then discarded
• Ideal for travel or special occasions
• No cleaning required

Monthly Lenses:

• Used for up to 30 days
• Require daily cleaning with special solution
• More cost-effective than daily lenses

Soft Lenses:

• Made from flexible materials that allow oxygen flow
• Comfortable for daily use
• Suitable for correcting nearsightedness, farsightedness, and astigmatism

Rigid (Hard) Lenses:

• Made from firm materials that allow oxygen transmission
• Used for conditions like keratoconus
• Last longer but require adjustment

Colored Lenses:

• Used for cosmetic purposes or vision correction
• Available with or without prescription

Multifocal Lenses:

• Suitable for people with presbyopia (age-related farsightedness)
• Help with clear vision at various distances

How to Choose the Right Lenses

1- Consult an Eye Doctor First

• Never buy lenses without a medical eye exam
• At Al-Farabi Clinics, we provide precise exams to determine what’s right for your eyes

2- Know Your Purpose

• Do you need lenses for vision correction or for cosmetic use?

3- Choose the Right Material

• If you suffer from dry eyes, you may need lenses with high water content

4- Stick to Usage Time

• Do not wear lenses longer than the recommended duration

5- Try Before You Buy

• Not all lenses suit every eye—trial fitting under medical supervision is best

Contact Lens Fitting Chart: What You Need to Know

Unlike eyeglasses, contact lenses require specific measurements, including:

• Diameter (DIA)
• Base Curve (BC)
• Lens Power (SPH)
• These measurements are determined through a detailed eye exam by an ophthalmologist. Following your personalized lens fitting chart is crucial to avoid complications such as irritation or corneal scratches.

Sleeping with Contact Lenses: Risks You Should Know

Wearing contact lenses overnight can reduce oxygen supply to the cornea.

It increases the risk of eye infections like bacterial keratitis.

✔️ Only sleep with lenses if they are labeled for extended wear and under medical supervision.

Can a Contact Lens Disappear in the Eye?

❌ No, a contact lens cannot “disappear” behind the eye due to a protective membrane.

However, it can shift and get stuck under the upper eyelid. In this case, use rewetting drops or consult your eye doctor to safely remove it.

Contact Lens Expiration: Follow the Instructions

• Daily lenses: For one-time use only.
• Weekly or monthly lenses: Must be discarded after the indicated period, even if they appear undamaged.
• Extended-wear lenses: Require proper cleaning and strict hygiene.

Dryness from Contact Lenses: Causes and Relief

Dry eyes while wearing contacts can result from:

• Prolonged wear
• Exposure to air conditioning or digital screens
• Pre-existing eye dryness or poor hydration
• 💧 Use preservative-free rewetting drops specially designed for contact lens wearers.

Best Eye Drops for Contact Lens Users

Only use drops labeled "Suitable for Contact Lenses."

Popular options include:

• Refresh Contacts
• Blink Contacts
• Systane Ultra (under medical advice)

Safety Tips for Using Contact Lenses

• Always wash your hands before handling lenses
• Use only the recommended cleaning solution
• Replace lenses according to the recommended schedule
• Do not sleep in lenses unless they are designed for that purpose
• Store lenses in a clean, sterilized case
• Never use tap water to clean lenses
• Do not share lenses with others
• Avoid wearing lenses if your eyes are red or irritated

Conclusion:

Contact lenses are a great option for vision correction or changing your look, but they require proper usage and regular care. At Al-Farabi Clinics – Eye Department, we offer accurate eye exams and expert consultations to help you choose the best lenses for your eyes.

Contact us today to book your appointment or visit one of our branches across Saudi Arabia.

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