Description
The Kowa HA-2 Applanation Tonometer is an essential tool for professionals in both human and veterinary ophthalmology. Designed for precision and ease of use, this compact and lightweight device measures intraocular pressure (IOP) using the renowned Goldmann applanation principle.
Key Features
- Versatile Application: Suitable for clinical settings, home visits, and as a reliable backup, the HA-2 is ideal for use with patients in various positions and orientations.
- Measurement Range: Offers a comprehensive range from 0 to 60 mm Hg with high accuracy, ensuring dependable readings across different conditions.
- Direct Reading Dial: Equipped with a precision dial for direct IOP readings, eliminating the need for conversion tables.
- One-Spring Mechanism: Provides consistent accuracy regardless of patient posture.
Built-in Illumination
The integrated, replaceable light source allows for effective use in any lighting condition. Coupled with a 6x magnification eyepiece, and an optional 3x long eye relief eyepiece, it enhances visibility and adaptability.
Design and Portability
- Compact Design: Measuring 290 mm in length and weighing just 240 g with batteries, the HA-2 is highly portable.
- Power Source: Operates on two 1.5V AA batteries or a compatible rechargeable battery, offering flexibility and convenience.
- One-Hand Operation: Designed for ease of use, enabling operation with a single hand.
Included Accessories
The device comes with a comprehensive set of accessories, including:
- Calibration weights
- Setting block
- Spare bulb
- Rest ring
- Applanation prism
- Optional long eye relief eyepiece
Durability and Maintenance
Constructed with durable materials, the HA-2 is extremely resistant to shock. It is easy to calibrate, disinfect, and maintain, with simple guidelines for long-term storage and battery management.
Performance Validation
The HA-2 demonstrates high accuracy, with strong correlation to direct ocular manometry in both ex vivo and in vivo studies. It provides reliable IOP measurements in healthy eyes and those affected by conditions such as glaucoma or uveitis.
Storage and Care
To ensure longevity, store the device in a cool, dry place, remove batteries for long-term storage, and regularly disinfect and calibrate the instrument.
The Kowa HA-2 Applanation Tonometer stands out as a practical and accurate solution for ophthalmic professionals, offering unparalleled performance and convenience in diverse environments.