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Nowadays, most of the people are suffering from refractive errors like far-sightedness and near-sightedness or astigmatism. Hence, they are prescribed to wear spectacles as per their eye problems. Sometimes, it becomes quite irritating to wear eyeglasses all the time. In such conditions, they use contact lenses for better vision and to get rid of eyeglasses. So, in this article, you will learn all about contact lenses and their advantages and disadvantages and also their types.

What is contact lens ?

A contact lens is a thin, curved and clear plastic lens placed on the surface of the eye for better and improved vision. These lenses float on the tear film that covers your cornea. A contact lens is a medical device prescribed to correct vision or for cosmetic reasons. Contact lenses are more comfortable while driving, playing sports and other outdoor activities as compared to spectacles. The contact lens can be soft or hard. Most people prefer to wear a soft one. Nowadays these are available in different colors. Next, you will learn about the types of contact lenses.

Contact Lens What Is Contact Lens

Types of contact lenses

1. Hard contact lenses
• Gas Permeable Lens:- this is the most common type of hard contact lens. These are made from plastic along with other materials. They hold their shape firmly and allow the oxygen to flow out to your eye.
• RGP Lenses:- these lenses are helpful in astigmatism and they provide sharper vision as compared to soft lenses

2. Soft contact Lenses:-
most people prefer to wear soft contact lenses as they are very comfortable and have many options. Here are some types of soft contact lenses.
• Daily Wear Contact Lenses: - You can remove them easily when you go to sleep. They can be disposable; you can change the pair every day. Ophthalmologist recommends these lenses if you wear them once in a while.
• Extended Wear Contact Lens: - You can wear these lenses while sleeping, but they are needed to remove for cleaning once a week. They can increase the risk of infection.
• Tonic Contact Lenses: - They help in correcting vision for people with astigmatism.
• Decorative Contact Lenses: - These lenses are worn for cosmetic purposes and they do not correct the vision. They include colored contacts and lenses that can hide the natural color of your eye. They can lead to serious eye problems.

3.Contact lenses for Presbyopia: -
These are designed to correct the normal vision problem occurred in people of 40 or above when it becomes hard to see the close objects clearly.

Types Of Contact Lenses

Advantages of contact lenses

• Improved Vision: - Contact lenses help to correct refractive errors like farsightedness, nearsightedness or astigmatism.
• Better eye comfort
• They do not capture moisture even when you wear a medical face mask.
• They do not obstruct vision or reflect anything.
• They are more comfortable than spectacles.
• Daily activities become more convenient with contact lenses.
• Contact lenses provide aesthetic benefits.
• They are easy to wear. You can wear your contact lenses within second, just put the finger on the tip of your finger and place it on your eye.
• You feel more confident in contact lenses.
• They work perfectly in all weather.

Advantages Of Contact Lenses

As you know that everything has its own advantages and disadvantages. the same thing goes with contact lenses. We have discussed the advantages of contact lenses. Now you will know the disadvantages of contact lenses.

Disadvantages Of Contact Lenses

Disadvantages of the contact lenses

When you wear contact lenses for a long time, then the chances of complications arise frequently. The symptoms of the complication are mentioned below: -
• Red Eye: - Contact lenses can cause redness and irritation in your eyes.
This happens when you wear your contact lenses for a long time or wear faulty lenses.
• Dry Eyes: - Contact lenses can cause you to dry out your eyes.
• Infection: - Contact lenses easily get dust, debris or other dust particles to get into your eyes and give rise to the eye infection.
• Eye Ulcer:- You can suffer from an eye ulcer on the surface of your eye if you don’t treat the infection for a long time.

Frequently Asked Questions

Eye conditions, such as dry eye disease or blepharitis, can make wearing contacts dangerous and risky. Major refractive errors, allergies, or contact lens intolerance can also make wearing contact lenses difficult. Fortunately, some treatments may allow you to wear contacts more easily.

The three primary types of contact lenses are:
• Soft Contact Lenses:
• Rigid Gas Permeable (RGP) Contact Lenses:
• Hybrid Contact Lenses:

The most suitable lenses for your eyes depend on your unique optical requirements and eye health. To find the best lenses for you, it's essential to make an appointment with an eye care specialist like an optometrist or an ophthalmologist. To meet your eyesight requirements, they can suggest solutions like prescription eyewear, contact lenses, or special lenses.

There are three different types of lenses
• Concave lenses: A convex lens has a thicker center than it does edges. This lens converges light beams that are parallel to its main axis. It is a converging lens. Convex lenses are used in magnifying glasses and camera
• Convex lenses: A concave lens is visible because it is thinner in the middle than it is on the sides. A lens that diverges light rays parallel to its main axis is referred to as a converging lens. Concave lenses are frequently used to treat vision problems like myopia (nearsightedness).
• Cylindrical lenses: Cylindrical lenses have two surfaces, one flat and the other curved, which vary in curvature along different meridians. These lenses are applied to astigmatism correction.

Many people's eyes can benefit from contact lenses because they offer crystal-clear vision without the need for glasses. To make sure they are secure and comfortable for your particular requirements, you must use them safely and according to your eye doctor's advice. When wearing contact lenses, preserving eye health requires regular eye checkups and good hygiene.

Yes, you can use contact lenses every day. You can wear contacts for anywhere between eight and sixteen hours per day. Still, it's essential to adhere to your eye doctor's wear and maintenance advice to ensure eye health and comfort.

Contact lenses should not be used while you sleep. It may increase your risk of developing eye infections, discomfort, and issues. It's a good idea to remove your contact lenses before going to bed, and you should also heed any suggestions from your eye doctor.

अधिकांश प्रकार के कॉन्टैक्ट लेंस 1 दिन तक चलते हैं, जिन्हें दैनिक डिस्पोजेबल कॉन्टैक्ट लेंस कहा जाता है, जिनका उपयोग एक दिन के लिए किया जाता है और फिर फेंक दिया जाता है। यह अधिक सुरक्षित है क्योंकि आपको इन्हें साफ करने और रखरखाव करने की आवश्यकता नहीं है।
हालाँकि, कुछ लोग दीर्घकालिक पुन: प्रयोज्य कॉन्टैक्ट लेंस का भी उपयोग करते हैं, जिन्हें आप अपने डॉक्टर की अनुमति से कुछ हफ्तों या महीनों तक पहन सकते हैं, लेकिन उन्हें नियमित आधार पर साफ और रखरखाव की आवश्यकता होती है। इसके बारे में अधिक जानकारी के लिए अपने नेत्र चिकित्सक से परामर्श लें।

आपकी आँखों के लिए आदर्श कॉन्टैक्ट लेंस आपकी विशिष्ट आवश्यकताओं और आपके डॉक्टर की सलाह पर निर्भर करता है। चूँकि हर किसी की आँखों की बीमारियाँ और ज़रूरतें अलग-अलग होती हैं, इसलिए डॉक्टर को व्यक्तिगत निर्णय लेना चाहिए।
जबकि सबसे अनुशंसित प्रकार का लेंस मोनोफोकल है। इस क्षेत्र में, भारतीय और अंतर्राष्ट्रीय लेंसों की एक श्रृंखला उपलब्ध है, और मरीज़ अपने बजट के अनुसार उनमें से चयन कर सकते हैं। इस लेंस से दूर दृष्टि आमतौर पर अच्छी तरह से ठीक हो जाती है।

कॉन्टैक्ट लेंस छोटे चश्मे या दृष्टि सुधारक होते हैं जिन्हें आंख के पीछे लगाया जाता है। इससे चश्मा पहनने के बजाय उसके बिना देखना आसान हो जाता है। टच लेंस आपकी आंख के सीधे संपर्क में होते हैं और अक्सर सिलिकॉन या प्लास्टिक से बने होते हैं। इसका उपयोग किसी विशेष आवश्यकता के लिए, साथ ही दृष्टि को बढ़ाने या सुधारने के लिए किया जाता है। चश्मे के समान, लेकिन इस आवश्यकता के बिना कि आप अपनी आंखों के सामने चश्मा पहनें। अपनी प्राथमिकताओं और आंखों के स्वास्थ्य के आधार पर, आप दैनिक डिस्पोजेबल, पुन: प्रयोज्य, टोरिक और प्रगतिशील विकल्पों सहित विभिन्न प्रकार के कॉन्टैक्ट लेंस में से चुन सकते हैं। आपकी आंखों की ज़रूरतों और आपके डॉक्टर की सिफारिशों के आधार पर उचित प्रकार के कॉन्टैक्ट लेंस का चयन करना महत्वपूर्ण है।
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