Secondhand Zeiss IOLMaster 500 Optical Biometry Device

Objective AI Report

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Report date: 25.12.2025

ZEISS IOLMaster 500 Optical Biometry Device Analysis Report

Device Identification

The main product shown in the images is a professional medical measurement device used in the field of ophthalmology (eye health). The product is an integrated desktop system consisting of an integrated monitor, measurement unit, chin rest, and base station. An external keyboard and an accessory box are connected to the system.

Brand and Model

As a result of a detailed visual inspection of the product’s body and labels, the following information has been identified with 100% certainty:

• Brand: ZEISS (Clearly legible from the blue logo on the base of the device and the logo on the side surface.)
• Model: IOLMaster 500 (Written in large and prominent fonts on the right and left side panels of the device.)

According to the conducted examination and external source verification, this device is an optical biometry device considered the “Gold Standard” for calculating intraocular lens (IOL) power prior to cataract surgery.

Originality

Considering the placement of the “ZEISS” logos on the product, print quality, complexity of industrial design, technical labels on the back, and special connection ports, the product is assessed to be completely original.

Areas of Use

The ZEISS IOLMaster 500 is used in eye disease clinics and hospitals. The primary purpose of the device is to measure the axial length of the eye, corneal curvature, and anterior chamber depth of patients undergoing cataract surgery, thereby calculating the power of the artificial lens (intraocular lens) to be implanted in the eye.

Quantity Information

A total of 3 main parts are visible as a set in the images:

• 1 unit of IOLMaster 500 Main Measurement Device
• 1 unit of Wired Medical Keyboard
• 1 unit of Test/Calibration Eye Set (Inside a Blue-Gray box)

General Condition

The device has a cosmetically very clean and well-maintained appearance. Although it is understood to be second-hand, no yellowing or intense discoloration is observed on its outer casing. It gives the impression of having been carefully used in a professional healthcare environment.

Physical Deformation

No cracks, fractures, deep scratches, or fragmentation have been detected on the product’s white plastic outer casing. No rust or bending is observed on the metal rods of the chin rest. The case integrity has been preserved.

Mechanical Components

The joystick mechanism that moves the device’s measurement head appears to be sound. The metal components and slides of the patient chin rest unit are in good order. No missing parts or damage are noticeable on the port inputs and plastic covers located at the rear.

Electronic Components

In the images, the device’s screen is in the off (black) position, so no visual comment can be made regarding pixel errors or screen functionality. However, there is no crack or physical damage on the screen surface.

Accessories

Detailed analysis of accessories included in the system:

• Keyboard: A white, compact keyboard with an integrated touchpad is located next to the product. The key layout is complete, and it is robust despite showing minor signs of use.
• Calibration Box: Inside a blue foam-padded plastic case, there is a test eye (model eye) used to check the device’s calibration. This box is a critical accessory for confirming the device’s accuracy and is present in the image.

Label Information

Some technical labels are present on the rear panel where the ports are located and on the side surfaces. The details legible from the images are as follows:

• Port Labels: USB, Network, Printer, and VGA icons are visible.
• Service Label: The inscription “STORINGSMELDINGSNUMMER 003 – 21297” is located above the ports. This Dutch phrase indicates that the device was previously used in an institution in the Netherlands or Belgium region and possesses an inventory/fault notification number.
• Main Label: A label bearing the ZEISS logo is present on the left rear side of the device, but the serial number is unreadable due to the shooting distance.

Battery Status

This device is a desktop unit powered by mains electricity (220V/110V). It is not a mobile device expected to operate with an internal battery. Power input is provided via the standard power socket on the rear panel.

Connectivity and Ports

The following inputs/outputs are present on the device’s rear connection panel (visible in detail in the last image):

• 1 unit Power Switch (Green Illuminated Switch – in Off position)
• 1 unit Power Input Socket
• 2 units USB inputs
• 1 unit VGA video output
• 1 unit Serial Port (RS232-like)
• 1 unit Ethernet (LAN) port

Dimensions and Compatibility

The device is of standard clinical dimensions designed for adult patients. It is suitable for desktop use. The integrated chin and forehead rest system is adjustable to suit the anatomy of most adult patients.

Potential Failure Risk

As a result of the visual analysis, no deformation (crushed cable, corrosion, burn marks, etc.) that would pose an immediate risk of failure has been detected on the device’s exterior components or wiring. Its physical condition suggests that the device is mechanically and cosmetically sound. However, the sensitivity of electronic sensors cannot be visually verified.