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Auto refractometer rmk 700 is an instrument used to examine a person's eyes. It is majorly found in an optician shop, eye hospital, and eye clinic. It is common due to its efficacy and speed of work. As a non-contact instrument, it measures refractive power.
On the market, there are several types of automatic refractometers. They include:
Applanating Tonometers
Applanation tonometers are widely used to measure the intraocular pressure of the human eyeball. It utilizes gold wire application to flatten an area of the cornea in the eye. However, this is done while observing the corneal contact inset. At the same time, a pressure reading will be noted within the instrument. Applanation tonometers work with other investigatory equipment, mainly pachymeters.
Schiotz Tonometer
Schiotz tonometers are commonly used for measuring intraocular pressure in mm Hg. Schiotz tonometer applies a known weight on the cornea and measures the dentation with an attached implacator. An inbuilt spirit level bubble is used to keep the touch and read accordingly. A metal pedestal is mounted on the tonometer on a tonometer table and is adjusted to the patient's eye.
Maklakov Tonometer
Maklakov tonometer includes a small cylinder of different weights placed on the flattened portion of the cornea. Each cylinder with a different weight is used to determine the intraocular pressure. Within the tonometer, there is a supplied ink that marks the cornea contact area upon tonometer application. In the eyes with diseases that interfere with the refraction of the rays of light, the reading of this device may be incorrect.
Non-contact Tonometer (NCT)
NCT is also referred to as the air puff tonometer. It measures eye pressure without directly touching the eye. To achieve this, a gentle puff of air is used, which flattens the cornea momentarily. Like applanation tonometers, NCTs are collaborative too. They can work well with pachymeters and other diagnostic kits such as keratometers and perimeters.
Ophthalmology Clinics and Hospitals
It is estimated that one out of five patients who visit ophthalmic clinics undergo a refraction test. Still, the Auto refractometer rmk 700 is used for providing an automatic quick test. It gives preliminary refractive data, which helps minimize the time the professional spends on each patient. This device improves the overall efficiency of the eye examination.
Optometry Practices
Eye practitioners consider the automatic refractometer an important instrument for accuracy. It provides precise refraction values, enhances the contact lens and glasses prescription, and minimizes human error incorporated in the subjective refraction tests. The device is especially important in high refraction patients. It helps obtain efficient refraction values without lengthy subjective tests.
Optical Retail Stores
Many optical retail stores use the Auto refractometer rmk 700 because it attracts customers' efficiency. They get their eye examination completed quickly, enabling them to obtain eyeglasses sooner. It also provides optical stores with the ability to give accurate prescriptions as well as enhance customer satisfaction and trust in recorded accuracy.
Ophthalmology Research Institutions
Eye research institutions highly regard the rmk 700 auto refractometer. The device assists researchers in obtaining objective refraction data for normal and exceptional population samples. This instrument can help in the study of refraction variation linked to genetic factors, cornea shape, and optical components that provide insight into eye diseases. The auto refractometer is a time saver in large sample studies and gives significant results.
Eye Disease Diagnosis and Management
Automatic refraction is valuable in diagnosing and managing several eye diseases. These include myopia, hyperopia, astigmatism, and presbyopia. This instrument can provide accurate refractive errors, which help ophthalmologists understand the patient's visual problems. That enables appropriate diagnosis and treatment. The machine can also help in monitoring changes in refraction over time. Thus, it is useful in tracking symbol ocular disease progression.
The rmk 700 auto refractometer has unique contrasting qualities. They enhance its performance and make it efficient. They include:
Measurement Range
The Rmk 700 covers the refractive index from -10 to +5 D. This is a wide range for providing refraction measurement to most users. It handles complex refractive errors with ease.
Cylinder Power
The cylinder power of the Rmk 700 is +2D. This helps in measuring astigmatism and gives a clear refractive status for individuals with cylindrical lenses.
Axis Measurement
The instrument's axis is measured in the range of 0-180 degrees. It has 1-degree divisions for precise cylinder axis alignment,' helping give accurate astigmatism corrections.
Nursing
The Rmk 700 auto refractometer is well known for its quick response time in the realm of eye care instruments. This model can complete a single autorefractor in 5 seconds. However, complex refractions may take longer up to 25 seconds. The machine functions very fast, which is highly helpful in consulting centers.
Inbuilt Color LCD Display
The Rmk 700 is a refractometer model equipped with a large 5-inch LCD screen. It has a colorful and clear touch display lens. This makes it more user-friendly for optometrists and patients as they can see the results at once. Besides, this touch-screen device offers smooth navigation for the settings and parameters of the tests.
Connectivity Features
The Rmk 700 is fitted with a USB port that allows the data to be transferred directly to a PC for record-keeping, analysis, or further study. The optical center can also be measured by using the device. The data can also be transferred to a fax machine through Bluetooth and comes with a built-in memory capacity of 20 sets. This allows data from 20 different individuals to be stored.
Power Source
The instrument operates on a DC 6V power supply. It can also use batteries comprising four AA types. This means it can be utilized in areas where mains power might not exist, adding to its versatility.
The device uses the following ways:
Preparation
The optometrist first prepares the patient by asking them to focus on a specific target inside the auto-refractor. This ensures the machine is aligned to the optical axis.
Measurement
After the patient focuses on the target, the "start" button is pressed on the instrument. The machine will emit infrared light into the patient's eye.
Data Collection
As the light reflects off the retina, some of it will also be collected by a built-in detector. This will allow the light to form a spot on the retina tragus. The refractometer then takes note of the changes in the reflected light. It then computes the eye's refractive power, providing final measurement results on the LCD screen.
Maintain Cleanliness
Ensure that the Rmk 700 is cleaned often. This is especially true for the measurement nosepieces and the optical surfaces. Use a soft lint-free cloth to prevent biological contaminations and smudges on the instrument. Avoid using harsh chemicals that might damage the ocular lens or corneal head in the long run.
Calibration
Check the manufacturer's manual on how calibration is done for the Rmk 700 Auto Refractometry Kit. Regular calibration ensures that the results are accurate and consistent. Faulty readings appear due to delay or lack of calibration, which also has a great impact on refractions.
Routine Checks
Note any visible signs of wear or damage, especially in parts exposed most often, like the chinrest, refractor head, and forehead rest. Replace worn parts to ensure patient comfort and the instrument's efficiency. When doing checks on the Rmk 700 unit, look for any visible signs of wear or damage.
Avoid Environmental Extremes
Although the auto refractometer Rmk 700 is built with strong material, it should not be exposed to extreme heat or cold and will be in an area with high humidity or dust levels. These factors could empire the internal components and electronic parts used in the gadget.
Software Updates
The Rmk 700 model is designed with advanced software functionalities. Therefore, the owner should ensure they update the software regularly to enjoy the latest features and improvements. Always visit the official site or the site contact to check for updates and installation instructions.
Compliance with Service Schedules
Follow the manufacturer's recommendations regarding the service interval of the Rmk 700. This may be periodic inspection or maintenance by professionals. Maintaining the machine helps improve its good work and prevent problems during diagnosis and treatment.
A1. An auto-refractor is a computerized eye-testing instrument that measures the eyes' refractive power. It gives a preliminary refraction value used by eye care professionals for eyeglass prescriptions. The device works quickly and doesn't require patient feedback, making it helpful in busy clinics for accurate optometry refraction tests.
A2. The major parts of an auto-refractor include a microprocessor, infrared light, and a retina. An optorefraction is measured using a prescription to a contact point on the retina, which is focused by the eye. Modern autorefractors are enhanced with LCD screens, data storage, and USB ports for efficient and accurate eye care.
A3. Yes, the model Auto Refractometer rmk 700 is fitted with a large 5-inch LCD screen. It provides clear refractive power measurements of the eye and enhances user interaction while making the device more effective for professionals.
A4. The Rmk 700 Auto Refractometer can complete an autorefractor in 5 seconds. However, it takes complex refractions up to 25 seconds. Its quick response time makes it efficient in eye care, improving the overall effectiveness of eye tests.
