TRAIL FRAME FULLY ROTAINIG

A Fully Rotating Trial Frame is an advanced version of the standard trial frame used by eye care professionals for refraction testing. This type of trial frame allows the lenses, especially cylindrical ones, to rotate freely and fully around a 360-degree axis. This helps in precise adjustments during the testing of astigmatism and other refractive errors.

Key Features of a Fully Rotating Trial Frame:

1. 360-Degree Rotating Cylindrical Lens Holders: The primary feature is the ability to rotate the cylindrical lenses to any angle, which is particularly useful for testing and determining the exact axis of astigmatism.
2. Multiple Lens Holders: Typically has 3 to 4 slots per eye, allowing for the insertion of different lens types, such as spherical, cylindrical, and prism lenses, simultaneously.
3. Precision Markings: The rotating lens holders often have degree markings (in 1-degree increments) to allow the practitioner to set the axis of astigmatism with high precision.
4. Adjustable Pupillary Distance: The pupillary distance (PD) can be adjusted to fit the patient's specific measurements, ensuring the lenses are aligned with the patient’s eyes.
5. Comfort Features: Fully rotating trial frames are typically designed for comfort with adjustable nose pads, temple arms, and lightweight materials to ensure a comfortable fit during the test. 
6. Fine-Tuning Mechanisms: Many fully rotating trial frames allow for very fine adjustments in terms of height and angle, enhancing the accuracy of the visual test.
7. Durability and Stability: Made from robust materials to ensure stability even when using heavier trial lenses, while still maintaining a lightweight feel for patient comfort.

Common Uses:

• Astigmatism Testing: The full rotation allows for precise determination of the cylindrical lens axis for correcting astigmatism.
• Refraction Testing: Used for testing a wide range of lens combinations to determine the best corrective lenses for various refractive errors (myopia, hyperopia, presbyopia, etc.).
• High Precision: Particularly useful for patients with complex refractive needs or in environments where extremely accurate measurements are required.