What is A Scan Biometer?
An A scan biometer, also known as an A scan ultrasound, is a diagnostic tool used in ophthalmology to measure various parameters of the eye. It is primarily used to determine the length of the eye, which is important for calculating the correct power of intraocular lenses (IOLs) used in cataract surgery.
The A scan machine utilizes ultrasound technology to measure the time it takes for sound waves to travel through the eye and reflect back. By analyzing the echoes produced by different structures within the eye, the device can provide information about the axial length of the eye, which is the distance from the cornea to the retina. This measurement helps in selecting the appropriate IOL power for implantation during cataract surgery.
Features of A Scan Biometer
A scan biometry machine typically includes the following features:
- Axial Length Measurement: The primary function of an A-scan biometer is to accurately measure the axial length of the eye. This measurement helps determine the appropriate power of intraocular lenses (IOLs) for cataract surgery.
- High-Frequency Ultrasound Technology: A-scan biometers utilize high-frequency ultrasound waves to measure the various parameters of the eye. This technology allows for precise and reliable measurements.
- Graphical Display: Many A-scan biometers feature a graphical display that shows the ultrasound waveform and the resulting measurements. This display helps the operator in interpreting the data and ensures accurate readings.
- Data Storage and Analysis: Advanced A-scan biometers often have the capability to store multiple patient measurements and provide analysis tools for reviewing the data. This feature enables easy comparison of measurements over time and facilitates the monitoring of eye health.
- User-Friendly Interface: A-scan biometers are designed with user-friendly interfaces, allowing ophthalmologists, optometrists, or technicians to operate the device easily. The interface may include intuitive controls and touchscreen capabilities for effortless navigation.
- Portability: Depending on the model, A-scan biometers can vary in size and portability. There are handheld or compact versions available, which are convenient for use in different clinical settings or during mobile eye screening campaigns.
Uses of A Scan Biometer
- A scan biometer is used in:
- Cataract surgery
- Diagnosis of eye conditions
- Monitoring eye health
- Determining the power of the intraocular lens (IOL)
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Price range of A Scan Biometer:
| Product Name | Price Range |
| Sonomed A scan biometer | ------- |
| Keeler A scan biometer | ------- |
| Shin Nippon A scan biometer | ------- |
| Meda A scan biometer | ------- |
