Description

A half-eye trial frame is an essential tool in the field of optometry, designed to facilitate precise vision testing. These frames are crafted to hold multiple trial lenses, making them invaluable during eye examinations for both adults and children.

Key Features

• Lens Capacity: Each frame can accommodate up to three pairs of trial lenses, typically with a diameter of 38 mm.
• Adjustable Pupillary Distance: Tailored for both adults (59–67 mm) and children (54–58 mm), ensuring accurate alignment.
• Comfortable Fit: Features such as adjustable temple length and a fixed bridge provide a secure and comfortable fit for various head sizes.

Design and Material

Constructed from lightweight metal and plastic, the frame includes anatomically shaped earpieces and a nose rest, which may be rigid or adjustable. These elements are designed to enhance comfort during prolonged use.

Lens Holder Specifications

• Rotation and Alignment: Each lens holder offers a minimum rotation of 180°, with clear aperture and precise alignment.
• Measurement Scales: Equipped with scales for cylinder axis and prism base, extending to at least 180° with fine divisions.

Safety Features

The frame is constructed to avoid sharp edges, using materials that are non-toxic, non-allergenic, and non-corrosive, ensuring safe contact with the skin.

Professional Application

These frames are widely used by eye care professionals for manual refraction, suitable for both adult and pediatric patients. They are designed to be compatible with standard trial lenses, adhering to relevant industry standards.

Maintenance

Proper maintenance includes clear instructions for use and disinfection, particularly when frames are returned for repair or upkeep, ensuring longevity and hygiene.