Spectacles and contact lenses are two different types of eyewear that help the user see better. Spectacles use lenses to correct nearsightedness or farsightedness, whereas contact lenses use a thin film over the eye to change the focus of your vision. The main difference between spectacles and contact lenses is that contact lenses need to be replaced every few years, while spectacles can last anywhere from six months to ten years.


(Photo by Harpreet Singh on Unsplash )

Picture of several pairs of spectacle frames put up on display

Spectacles, also known as eyeglasses or glasses, are the traditional form of vision correction that people have been using for centuries. They are made of a frame that holds two lenses in front of the eyes, and they come in a variety of styles, materials, and shapes to suit different face shapes and preferences.

Spectacles are easy to use and are a great option for people who have trouble with contact lenses or who have trouble wearing them. They are also more durable than contact lenses, and they can last for years if they are properly taken care of. Additionally, spectacles do not require any special maintenance or cleaning, and they are also easier to clean than contact lenses.

Contact lenses

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Picture of contact lenses and a contact lens container

Contact lenses are thin, curved discs that are placed directly on the eye. They come in a variety of shapes, sizes, and materials, and they are designed to correct vision problems like nearsightedness, farsightedness, and astigmatism.

One of the biggest advantages of contact lenses is that they do not obstruct the wearer’s vision like spectacles do. This makes them a popular option for people who are active, play sports, or simply want a more natural appearance. Additionally, contact lenses are much less noticeable than spectacles, and they do not interfere with hairstyles or clothing.

Another advantage of contact lenses is that they do not fog up or get wet like spectacles do, making them a great option for people who live in areas with high humidity or who play sports. However, contact lenses require special care and maintenance, including daily cleaning and replacement, to ensure that they remain healthy and comfortable for the wearer.

Which one should I choose

An important factor to consider when choosing between spectacles and contact lenses is your lifestyle. People who are active and who play sports may find contact lenses to be a better option, as they do not obstruct the wearer’s vision and are less likely to get in the way. On the other hand, people who lead more sedentary lifestyles may find spectacles to be a better option, as they are easier to use and do not require any special maintenance.

Spectacles Vs. Contact lenses


When it comes to comfort, contact lenses tend to be the winner. Glasses can be heavy and uncomfortable, especially for individuals with strong prescriptions. The frames can also cause pressure on the nose and ears, which can become irritating over time. Contact lenses, on the other hand, are much lighter and more comfortable to wear. They are designed to be worn for extended periods of time and are less likely to cause discomfort or irritation.

Vision Correction

In terms of vision correction, both spectacles and contact lenses offer excellent results. However, there are some differences in terms of the type of correction they provide. For example, glasses are better suited for individuals with farsightedness, as they provide better peripheral vision. Contact lenses, on the other hand, are better suited for individuals with nearsightedness, as they offer a wider field of view and clearer vision up close.


When it comes to maintenance, contact lenses require more effort than spectacles. They need to be cleaned and disinfected regularly, and the solution used for cleaning must be changed every few days to prevent the growth of bacteria. Contact lenses also need to be replaced more often, with daily disposables needing to be replaced every day and extended wear lenses every few months. Glasses, on the other hand, are easy to care for and can last for several years.

Types of spectacles

There are many types of spectacle frames. some of them are: Full Frame Spectacles, Half Frame Spectacles, Rimless Spectacles and Clip-On Spectacles

Full Frame Spectacles: Full frame spectacles are the most traditional type of glasses, and as the name suggests, they have a frame that fully encases the lenses. They are great for those with strong prescriptions, as the frame provides added support to the lens. Full frame glasses are available in various styles, including classic, sporty, and fashionable. They can be made from materials like plastic, metal, or a combination of the two, and can be designed to fit any face shape or style.

Half Frame Spectacles: Half frame spectacles, also known as half-rim glasses, have a frame that only partially surrounds the lens. They are a great option for those with weaker prescriptions as they offer less coverage and are less obtrusive. Half frame spectacles are often lighter and less noticeable than full frame glasses, making them a good choice for those who prefer a more minimalist look. They are also available in a wide range of styles, from classic to modern, and are suitable for all face shapes.

Rimless Spectacles: Rimless spectacles are exactly what their name implies – glasses with no frame around the lenses. The lenses are held in place by small screws or wire temples, and the lack of a frame gives the glasses a clean, unobtrusive look. Rimless spectacles are ideal for those who want a subtle, understated look, and they are also a good choice for individuals with active lifestyles, as they are lightweight and less likely to slip or shift.

Clip-on Spectacles: Clip-on spectacles are designed to be attached to prescription glasses and can be easily removed when needed. They offer the convenience of having both reading and distance glasses in one frame, and are ideal for individuals who only need reading glasses for close-up tasks. Clip-on glasses are available in a range of styles and are an affordable and practical alternative to purchasing separate reading glasses.

Types of contact lenses

There are three main types of contact lenses: Soft, Hard, and Gas-permeable.

Soft contact lenses are the most common type and are inserted into the eye by an optometrist or ophthalmologist.

Hard contact lenses can be worn for extended periods of time, but need to be replaced more often because they become dry.

Gas-permeable contact lenses allow gas to pass through them, which is useful for people who have a lot of allergies or problems with dry eyes.

Can I sleep with contact lenses?

It is generally not recommended to sleep with contact lenses. Sleeping in contact lenses can increase the risk of eye infections, corneal ulcers, and other serious eye problems. Contact lenses are designed to be worn for specific periods of time, as specified by the manufacturer, and taking them out before sleeping is a crucial step in maintaining good eye health. If you need to wear contacts overnight, talk to your eye doctor about the best options for extended wear contact lenses.

Advantages and disadvantages of spectacles and contact lenses



  1. Improved Vision: The primary benefit of spectacles is improved vision. Spectacles correct refractive errors, such as nearsightedness, farsightedness, and astigmatism, and allow the wearer to see more clearly. They can also provide enhanced vision for individuals with specific visual impairments, such as presbyopia.
  2. Protection for the Eyes: Spectacles protect the eyes from the sun’s harmful UV rays and glare, which can cause eye strain and discomfort. They also provide a barrier against wind, dust, and other particles that can irritate the eyes.
  3. Style and Fashion: Spectacles can be a fashion statement, and with so many styles and designs to choose from, they can be a way to express your personal style. Whether you prefer a classic look, a sporty style, or a bold and fashionable look, there are spectacles to match your preferences.
  4. Convenience: Spectacles are a convenient and practical solution for correcting visual impairments. They are lightweight, easy to wear, and can be worn all day without causing discomfort.
  5. Affordable: Compared to other forms of vision correction, such as contact lenses or laser eye surgery, spectacles are an affordable solution. They also do not require any special care or maintenance, making them a cost-effective and low-maintenance option.
  6. Versatile: Spectacles can be used for a variety of activities, from reading and working to outdoor activities and sports. They can also be made with special features, such as scratch-resistant lenses and anti-glare coatings, to meet the specific needs of the wearer.


  1. Aesthetic Limitations: Spectacles can be considered unsightly by some people and can detract from the natural appearance of the face.
  2. Restrictions in Physical Activity: Spectacles can be inconvenient and restrictive during certain physical activities, such as sports, where they can easily become dislodged or broken.
  3. Maintenance and Cost: Spectacles require regular cleaning and maintenance, and can be expensive to replace if lost or damaged. Additionally, the cost of prescription lenses can be significant, and this expense must be incurred periodically as the prescription changes.
  4. Difficulty with Nighttime Driving: Spectacles can cause glare and reflection, making it difficult to see clearly at night, especially when driving.
  5. Limited Field of View: Spectacles can limit the field of vision, and can be especially noticeable when looking to the sides or up and down.
  6. Uncomfortable Fit: Some individuals may find spectacles uncomfortable to wear, particularly if they have a poor fit, cause pressure on the nose or ears, or slip down the face.
  7. Potential for Damage: Spectacles are vulnerable to scratches, cracks, and other types of damage, and can become scratched or damaged more easily than contact lenses or other forms of vision correction.

Contact lenses


  1. Improved Aesthetics: Contact lenses offer a more natural appearance compared to spectacles, as they do not alter the appearance of the face or restrict peripheral vision.
  2. Greater Convenience: Contact lenses are easier to wear and use than spectacles, and can be worn during a wider range of physical activities, including sports and swimming.
  3. Improved Field of View: Contact lenses do not limit the field of vision, as they cover the entire surface of the eye and do not obstruct peripheral vision.
  4. Comfortable Fit: Contact lenses are comfortable to wear, as they are not as noticeable as spectacles and do not cause pressure on the nose or ears.
  5. Reduced Glare and Reflection: Contact lenses reduce glare and reflection, making them ideal for nighttime driving or other activities that require clear vision in bright light.
  6. Cost Effective: Contact lenses can be more cost-effective than spectacles in the long run, as they do not require regular maintenance, cleaning or replacement of frames, hinges, or lenses.
  7. Versatility: Contact lenses come in a wide range of options and styles, including daily, weekly, monthly and colored lenses, offering versatility in vision correction and style.
  8. Easy to Clean and Maintain: Contact lenses are simple to clean and maintain, and do not require the same level of care and attention as spectacles


  1. Risk of Eye Infections: Contact lenses can increase the risk of eye infections and corneal ulcers if they are not properly cleaned, stored and handled.
  2. Dry Eyes: Contact lenses can cause dry eyes, especially in individuals who spend a lot of time in front of computer screens or in air-conditioned environments.
  3. Allergic Reactions: Contact lenses can cause allergic reactions in some individuals, leading to discomfort, redness, and itching.
  4. Limited Wear Time: Contact lenses have a limited wear time and must be removed and cleaned regularly, which can be inconvenient for some individuals.
  5. Need for Regular Eye Exams: Contact lens wearers must undergo regular eye exams to ensure their lenses are fitting properly and their eyes are healthy.
  6. Cost: Although contact lenses can be more cost-effective in the long run, the initial cost of buying contact lenses and accessories can be higher than spectacles.
  7. Need for Skill and Practice: Contact lenses require more skill and practice to insert, remove and handle compared to spectacles, which can be challenging for some individuals.
  8. Limited Correction Options: Contact lenses may not be suitable for individuals with certain types of vision correction needs, such as high degrees of myopia or astigmatism, and may not provide the same level of correction as spectacles.

Cost of spectacles and contact lenses

The cost of spectacles and contact lenses can vary greatly depending on the type and style of the product, as well as the prescription. Generally speaking, spectacles tend to be less expensive than contact lenses, especially for people who only need vision correction for one eye. However, the cost of spectacles can add up over time as they need to be replaced or adjusted, whereas contact lenses can be a one-time cost if they are disposed of after a certain period of time.

How are contact lenses made?

Contact lenses are made from a soft, pliable material that is filled with liquid crystal and gas. The lens is then placed on the eye. The contact lens surgeon removes the old lens and replaces it with the new one.

With what material are contact lenses made?

They start making contact lenses with a base material that is soft and flexible. Then, special chemicals are added to make it harder. Finally, the contact lenses are put in a mold and heat is applied until they reach their final shape.

Contact lenses are made from a variety of materials, including plastic, silicone, and glass. Some contact lenses are made from multiple materials to improve their performance. For example, silicone contacts are often made from two different types of silicone: hard and soft. The hard silicone helps the contact lens resist scratches and other damage, while the soft silicone makes them comfortable to wear. Contact lenses can also be made from other materials, like metal or carbon fiber.

With what material spectacle lenses made?

Spectacle lenses are made from a type of plastic called polycarbonate. This material is heated until it’s extremely hot and then it is quickly cooled. This makes the polycarbonate into a very hard, durable substance. The lens surfaces are then roughened up slightly so that they can grip onto the eye better.

What are sunglasses?

Sunglasses are protective eyewear designed to shield the eyes from the sun’s harmful rays. They typically have tinted lenses that reduce glare and protect the eyes from harmful UV radiation. Sunglasses are available in a variety of styles and designs, from sporty to fashionable, and can be made from different materials, including plastic and metal.

Can sunglasses be made for prescription?

Yes, sunglasses can be made for prescription. These are called “prescription sunglasses” and they have lenses that are made to correct the wearer’s specific vision prescription. The lenses can be tinted to provide sun protection while also correcting the wearer’s vision. Prescription sunglasses are available in a variety of styles and designs, from sporty to fashionable, and can be made from different materials, including plastic and metal.

Can contact lenses be made to work as sunglasses?

Yes, contact lenses can be made to provide sun protection, similar to sunglasses. These are called “photochromic” or “transition” contact lenses. They contain special photochromic dyes that change color in response to UV light, becoming darker in bright sunlight and lighter in low light conditions. Photochromic contact lenses provide both vision correction and sun protection, eliminating the need for separate eyewear.

What are polaroid glasses?

Polarized glasses, also known as polaroid glasses, are a type of sunglasses that reduce glare. They have lenses that are treated with a polarized filter, which blocks intense reflected light, such as the glare from water, snow, or other reflective surfaces. This makes polarized glasses ideal for outdoor activities like fishing, boating, skiing, and driving, as they enhance color and clarity and reduce eye strain. Polarized lenses are available in a variety of tints and can be made with prescription or non-prescription lenses.


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