Accutome 4Sight

What is it?

Accutome is reputed for manufacturing high-quality, reasonably priced, and reliable ophthalmic diagnostic equipment for over 30 years. The 4Sight from Accutome is no exception. Made in the USA, 4Sight is a single solution for all ophthalmic diagnostic imaging, providing accuracy and efficiency.

How does it work?
  • 1

    Ultrasound works on the physics of sound. The sound emitted from the source bounces back when it comes into contact with an object.

  • 2

    The high-frequency sound waves from Accutome 4Sight travel through your eyes.

  • 3

    The reflections (or echoes) are then converted into electronic signals that form images of the desired structures of the eye.

What are its uses?

Accutome 4Sight is a 4-in-1 ophthalmic ultrasound imaging machine that can perform:

  • A-scan
  • B-scan
  • UBM
  • Pachymetry

The A-scan, short for amplitude scan, is a type of ultrasound that provides details on the eye’s length. Determination of the length of the eye is required in vision disorders like nearsightedness and farsightedness. Some tumors may also be picked up by an A-scan.

The B-scan, or brightness scan, is used to produce a two-dimensional image of the cross-section of the eye and orbit. This method is employed when a basic clinical examination is unable to reveal the required information. B-scan can diagnose conditions like retinal tumors, orbital socket damage, swelling, retinal detachment, and foreign bodies in the eye.

An ophthalmic Ultrasound Biomicroscope (UBM) exam is used to view the anterior segment of the eye, which includes the ciliary body, iris, and cornea. It can evaluate the anterior chamber depth, the presence of glaucoma, narrow anterior chamber angles, ocular surface tumors, and any diseases of the ciliary body.

The pachymetry module is used for the ultrasonic measurement of the thickness of the cornea. This data can be used for pre-operative evaluation of the eye if astigmatism or refraction surgery is to be performed. It can also screen keratoconus and glaucoma.

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What to expect while undergoing the test with the machine?

You will be asked to be seated in front of the ultrasound machine. Numbing eye drops will be placed in your eye. Place your chin on the chin rest and look forward. The ultrasound wand (transducer) will be placed in front of the eye to be examined. For a B-scan, your eyelids will be closed and gel will be applied before placing the transducer. You will be asked to move your eyes in multiple directions during the scan.

Are there any side effects?
Your eyes will be numb during the procedure. Avoid touching the eye during this time. It may lead to corneal scratching, as you may not experience any sensation.

What are the advantages?

  • Non-invasive diagnostic technique
  • Completely painless
  • Unsurpassed image quality
  • Fast results (within 10 minutes)
How to prepare for the test?
Remove any contact lenses before the test. No other special preparations are required.