Description

The 78D Lens by Volk Optical is an essential tool for ophthalmic professionals, designed to enhance the precision and clarity of retinal examinations. This non-contact, double aspheric lens is crafted for use with a slit lamp biomicroscope, providing detailed visualization of the retina, including critical areas such as the optic disc, macula, and retinal arcades.

Key Features

• High Magnification and Wide Field of View: The lens offers substantial magnification while maintaining a broad field of view, making it ideal for comprehensive retinal assessments and laser treatments.
• Double Aspheric Design: Ensures high clarity and minimal distortion, allowing for an undistorted view of the optic disc and posterior pole.
• Non-Contact Use: Enhances patient comfort and reduces the risk of infection, as the lens does not need to touch the eye.

Compatibility

• Slit Lamp Optimization: Compatible with all standard slit lamp biomicroscopes, making it a versatile addition to any clinical setting.
• Color Options: Available in a variety of colors, including black, blue, gold, green, purple, red, silver, pink, and clear.

Technical Specifications

• Field of View: 81° static and 97° dynamic.
• Image Magnification: 0.93x with a laser spot magnification of 1.08x.
• Working Distance: 8 mm from the lens to the cornea.
• Lens Diameter: Approximately 31 mm.
• Optics: Features BBAR anti-reflective laser coating for enhanced imaging and laser compatibility.

Construction

• Anodized Aluminum Ring: Equipped with knurling for a secure grip, ensuring ease of handling during examinations.

Intended Use

• Diagnostic Examination: Suitable for visualizing the posterior segment of the eye, including the optic nerve head and macula.
• Laser Treatment Compatibility: Effective for diagnostic imaging and laser procedures in visible and near-infrared wavelengths.

Cleaning and Maintenance

• Cleaning: Use a mild, pH-neutral detergent and a soft, lint-free cotton cloth.
• Disinfection: Compatible with solutions like Cidex OPA and Glutaraldehyde. Avoid using alcohol, peroxide, or acetone on contact elements.
• Sterilization: Methods include Ethylene Oxide, Steam (for colored lenses), Sterrad, V-Pro, and Sterizone VP4. Avoid autoclaving unless specified.

Storage

• Environment: Store in a clean, dry, room-temperature environment using a dedicated lens case for protection.

Additional Features

• Engraving Options: Optional engraving available on the lens and case.
• Maintenance: Regular cleaning and inspection are recommended. Ensure the lens is not used if damaged.

The 78D Lens stands as a reliable, high-quality instrument for ophthalmologists and optometrists, facilitating accurate and thorough retinal examinations while adhering to stringent hygiene and maintenance standards.