A-Scan
The A-Scan is a crucial diagnostic procedure offered at Desai Eye Hospital, providing precise measurements of the eye’s internal structures. This non-invasive ultrasound technique is primarily used to measure the axial length of the eye, aiding in the diagnosis and treatment of conditions like cataracts, refractive errors, and retinal detachment. It is particularly important for patients preparing for cataract surgery, as it helps calculate the appropriate intraocular lens (IOL) power to achieve the best possible post-surgery vision.
A-Scan also plays a key role in assessing eye conditions such as myopia, hyperopia, and macular degeneration. It offers valuable data for guiding treatment plans and ensuring the most accurate results for procedures like refractive surgery.
This quick and safe procedure uses sound waves to create a high-resolution image of the eye’s internal structures. The A-Scan is painless and requires no incisions, making it ideal for both pre-operative assessment and routine eye examinations.
At Desai Eye Hospital, our expert ophthalmologists rely on this advanced technology to deliver personalized, effective care for a variety of ocular conditions.
How Does It Work?
- A probe emits sound waves near the eye.
- The waves bounce off internal structures.
- The machine measures the return time of the waves.
- This data calculates the eye’s axial length.
- Axial length helps determine the correct IOL power.
- The procedure is quick, non-invasive, and painless.
- No direct contact with the eye is required.
- Results aid in diagnosing and treating eye conditions.

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