Volk
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Volk G-4 Gonio Lens - Numerous Contact Type, Handle and Ring Size Options (G-4 Gonio, No Flange, Large Ring)
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Volk G-4 Gonio Lens - Numerous Contact Type, Handle and Ring Size Options (G-4 Gonio, No Flange, Large Ring)
Four mirrors providing a full 360° view of the anterior chamber with 50% more image magnification than the classic G-4 Gonio.
Volk G-4 Gonio Lens - Numerous Contact Type, Handle and Ring Size Options (G-4 Gonio, No Flange, Large Ring)
Item #: 20377917

Volk G-4 Gonio Lens - Numerous Contact Type, Handle and Ring Size Options (G-4 Gonio, No Flange, Large Ring)

Item #: 20377917
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Four mirrors providing a full 360° view of the anterior chamber with 50% more image magnification than the classic G-4 Gonio.
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What Stands Out

Versatile Options
The Volk G-4 Gonio Lens offers multiple contact types and handle sizes, allowing customization for various user preferences and clinical needs, enhancing its usability across different examinations.
Optimized Design
Designed without a flange, this lens facilitates easier maneuvering and greater patient comfort during examination, making it a superior alternative to traditional models.
Large Ring Feature
The large ring provides an ergonomic grip, enabling precise control and stability during procedures, thus improving accuracy and reducing fatigue for practitioners.

Product Details

Explore the wide range of Volk G-4 Gonio Lens options at Ubuy Seychelles. Choose from different contact types, handle sizes, and ring options for high-quality imaging. Shop now!
Brand NameVolk
Number of Items1
ManufacturerVolk
Part NumberVG4LNF
Lens Correction TypePolarized
Item Formcircular, ring-shaped
Item Diameter8.4 millimeters
MaterialGlass
Product HardnessHard
BrandVolk
Item HardnessHard
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Eye Care Professionals

    Ideal for ophthalmologists and optometrists for precise angle assessment during comprehensive eye examinations.

  • Gonioscopy Procedures

    Essential for conducting gonioscopy to evaluate anterior chamber angles in glaucoma management.

  • Customizable Use

    Suitable for users needing flexibility with handle and ring sizes for various clinical setups.

Not Suitable For
  • Home Users

    Not suitable for non-professionals; requires specialized training to use effectively for eye examinations.

Product Description

Volk G-4 Gonio Lens - Numerous Contact Type, Handle and Ring Size Options (G-4 Gonio, No Flange, Large Ring)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Volk G-4 Gonio Lens used for?

    Answer: The Volk G-4 Gonio Lens is primarily used in ophthalmic practices to provide a comprehensive view of the anterior chamber's angle structures. This lens allows for enhanced visualization which is crucial for diagnosing conditions like glaucoma. Its design supports meticulous examinations by providing an option for various contact types, handle styles, and ring sizes that cater to different preferences and clinical needs.
  • Question: What are the specifications of the Volk G-4 Gonio Lens?

    Answer: The Volk G-4 Gonio Lens comes with a unique configuration that includes no flange for ease of use during examinations, alongside a large ring that facilitates comfortable handling. The lens offers numerous contact types which enable it to cater to diverse patient needs and handle preferences. Each option is designed to optimize the clarity of the images captured during gonioscopy, making it an essential tool for eye care professionals.
  • Question: What types of handle and ring size options are available?

    Answer: The Volk G-4 Gonio Lens offers various handle styles and large ring sizes that allow practitioners to customize their examination experience. Options range from different ergonomic handle designs suitable for long-term use to diverse ring sizes that fit comfortably across different hand shapes. This adaptability ensures that users can maintain stability and control during examinations, improving both the process and patient comfort.
  • Question: Why choose the Volk G-4 Gonio Lens over other gonio lenses?

    Answer: Choosing the Volk G-4 Gonio Lens is beneficial for practitioners looking for versatility and high-quality imaging. The absence of a flange enables easier positioning and minimizes contact discomfort during examinations. Additionally, the large ring option enhances grip and handling, providing ease of use in busy clinical settings. This lens is highly regarded for its optical performance, allowing for a thorough analysis of the angle structures.
  • Question: How does the Volk G-4 Gonio Lens benefit glaucoma assessment?

    Answer: The design of the Volk G-4 Gonio Lens significantly aids in glaucoma assessment by providing a clear view of the trabecular meshwork and other angle structures. This clarity is essential for determining the presence of narrow angles or other abnormalities indicative of glaucoma risk. Eye care practitioners rely on its precision to make informed decisions about patient management and treatment strategies, highlighting the lens's role in preventative eye care.
  • Question: Can the Volk G-4 Gonio Lens be used in a pediatric setting?

    Answer: Yes, the Volk G-4 Gonio Lens is suitable for pediatric ophthalmology. Its contact design provides essential flexibility during examinations of younger patients, ensuring comfort and reduced strain. Due to its high-quality optics, it allows for accurate assessments even in small, delicate eyes. Practitioners appreciate this lens for its adaptability, which is crucial when engaging with pediatric populations who may require specialized examination techniques.
  • Question: Is it compatible with imaging systems?

    Answer: The Volk G-4 Gonio Lens is designed to be compatible with various imaging systems, making it a versatile choice for clinicians who utilize modern technology in ocular assessments. Its optical properties lend themselves to high-resolution imaging, helping capture precise visual data. This compatibility enables seamless integration into digital workflows, allowing for improved patient records and diagnostic accuracy through enhanced imaging.
  • Question: What maintenance is required for the Volk G-4 Gonio Lens?

    Answer: Maintaining the Volk G-4 Gonio Lens is straightforward. Regular cleaning with approved lens solutions and microfibre cloths is recommended to preserve its optical integrity. Proper handling and storing the lens in a protective case when not in use will also prolong its service life. These practices are essential in clinical settings to ensure that the lens remains free of debris or smudges, ensuring optimal performance during examinations.
  • Question: Where can I buy the Volk G-4 Gonio Lens in Seychelles?

    Answer: You can purchase the Volk G-4 Gonio Lens at Ubuy. Ubuy offers a convenient online platform where you can find this specialized lens along with options tailored to your preferences, ensuring access to high-quality ophthalmic instrumentation in Seychelles.
  • Question: What are the advantages of using a contact-type gonio lens?

    Answer: Using a contact-type gonio lens, like the Volk G-4, offers numerous advantages, such as improved stability and a clearer view of the anterior chamber angle. Contact type lenses provide direct access, which helps reduce distortion and enhances the quality of the images captured. This design is particularly useful in detailed assessments when practitioners need to visualize subtle structures, leading to more accurate diagnoses and treatment planning.

Volk Optics Editorial Review

The Volk G-4 Gonio Lens offers numerous contact type, handle, and ring size options. It comes with a flange and has a small ring. The lens is solid and reliable, allowing for easy angle changes by unscrewing and screwing in the handle. It does not have a hinge, which prevents any accidental angle changes during examinations. The lens includes a case and comes at a good price. However, some customers have expressed disappointment with the product not matching the picture. Overall, it is a recommended option for eye examinations.

Customer Reviews & Ratings

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Pros

  • Numerous contact type, handle, and ring size options
  • Solid and reliable lens
  • Easy angle changes with the handle
  • No hinge prevents accidental angle changes
  • Includes a case
  • Affordable price

Cons

  • Product may not match the displayed picture

Platform Trust & Buyer Confidence

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4.2/5 9250 + reviews
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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Features & Benefits

  • Standard gonio lens for static and dynamic gonioscopy
  • All glass design for superior clarity and durability
  • Available in various contact type, handle, and ring size options
  • Field of View: 4x64°, Image Magnification: 1.0x
  • High Magnification option available with 1.5x Image Magnification
  • Ideal for dynamic and indentation/compression gonioscopy

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