Centre for Sight | Types of Intraocular Lens скачать в хорошем качестве

Centre for Sight | Types of Intraocular Lens

Tune in with Major General (Dr) JKS Parihar (Retd), Senior Consultant at Centre For Sight as he explains everything you need to know about the type of intraocular lens. Types of Lenses for Eye Surgery: An Overview In eye surgeries, particularly cataract surgeries, different types of intraocular lenses (IOLs) are used to correct vision. These lenses vary in design, functionality, and suitability depending on the patient's condition. The most common types of lenses are monofocal, multifocal, trifocal, and extended depth of focus (EDOF) lenses. Here is a summary of the various lens options available: 1. Monofocal Lenses A monofocal lens is the most basic type of intraocular lens. It corrects vision for one distance, typically for distance vision. After the surgery, patients can expect clear distance vision without glasses but may still require glasses for near tasks like reading, typically around +2 or +2.5 diopters. This is a normal requirement as we age, and it is similar to wearing reading glasses. Pros: Good for distance vision, no need for glasses for activities like driving or watching TV. Cons: Need reading glasses for close-up tasks like reading. 2. Multifocal Lenses A multifocal lens has multiple rings inside the lens that provide different focusing powers for near, intermediate, and distance vision. For example, if the lens power for distance is +20, the lens will have an additional power of +2.25 or +2.5 for near vision, and another for intermediate distances. Pros: Reduces the need for glasses for most daily activities such as using a computer, watching TV, driving, or using a mobile phone. Cons: Some people may experience "rings" or shadows when looking at lights, which can be bothersome, especially while driving. However, most people adapt to this over time. 3. Trifocal Lenses A trifocal lens is an advanced version of the multifocal lens. It corrects vision for near, intermediate, and distance vision more effectively, without the need for additional corrective glasses. Pros: Excellent vision correction for all distances, reducing the need for glasses. Cons: Similar to multifocal lenses, some patients might experience visual disturbances, but these lenses are designed to minimize that. 4. Extended Depth of Focus (EDOF) Lenses An Extended Depth of Focus (EDOF) lens provides enhanced vision across all distances (near, intermediate, and distance). This lens has a continuous range of focus, ensuring clearer vision, especially at intermediate distances. EDOF lenses eliminate issues like light reflections or halos that can occur with other lens types. Pros: Excellent overall vision without the need for glasses and no annoying light distortions. Cons: It may not be as effective for very close-up tasks like reading fine print in poor lighting conditions. Choosing the Right Lens The selection of a lens depends on the patient's eye condition and health history. For patients with conditions such as glaucoma, diabetes, uncontrolled macular degeneration, or retinal diseases, monofocal lenses are often recommended. Multifocal lenses may not be ideal for these patients due to the risk of complications. Toric Lenses For patients with astigmatism (distorted or blurry vision due to an irregular corneal shape), toric lenses are often used. These lenses help correct the distortion caused by the irregular curvature of the cornea, ensuring clear vision without distortion. Toric lenses are available in both monofocal and multifocal designs. Material and Safety of Lenses Regardless of the type (monofocal, multifocal, trifocal, or EDOF), the materials used in these lenses are of the highest quality. The lens design may differ internally, but externally, all lenses appear similar. The lenses are manufactured using the best materials available, ensuring safety and durability. Pros: All lenses are made from premium materials, ensuring safety and quality. Cons: No significant disadvantages in terms of material or safety, as all lenses meet high standards. While we have you here, check out the latest: Facebook:   / centreforsight.net   Twitter:   / centreforsight1   Instagram:   / centreforsight1   LinkedIn:   / centre-for-sight   Doctor Profile - https://www.centreforsight.net/doctor... About: Established in 1996, Centre for Sight has been continuously striving to provide specialized eye care for all. The group is a leading provider of specialized eye care with 45 centres across 25 cities in 11 states of India. A highly qualified clinical team leads Centre for Sight with modern infrastructure and world-class technology. But above all, the CFS group’s commitment to patient-centric values makes it a trusted name when it comes to quality eye care services.