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Anterior segment optical coherence tomography for superficial keratectomy
Zi-Wen Wang1, Xiao-Fang Yin2, Chun-Xiao Wang3
1Department of Ophthalmology, Jiangxi Yingtan People's Hospital, Jiangxi Province, China.
Photodiagnosis and Photodynamic Therapy
|June 13, 2024
Summary
Anterior segment optical coherence tomography (AS-OCT) aids in assessing superficial keratectomy (SK) for anterior corneal opacities. This imaging technique helps guide SK procedures, improving outcomes for various corneal conditions.
Area of Science:
- Ophthalmology
- Medical Imaging
- Corneal Surgery
Background:
- Anterior corneal opacity presents a challenge in ophthalmic surgery.
- Accurate preoperative assessment is crucial for successful surgical planning.
Purpose of the Study:
- To evaluate the utility of anterior segment optical coherence tomography (AS-OCT) in guiding superficial keratectomy (SK).
- To assess AS-OCT's role in managing diverse anterior corneal opacities.
Main Methods:
- Retrospective analysis of 43 eyes with anterior corneal opacity.
- Preoperative AS-OCT imaging to measure corneal opacity and stromal thickness.
- Superficial keratectomy (SK) performed on all eyes.
Main Results:
- AS-OCT revealed superficial hyper-reflective signals in all evaluated opacities.
- SK was successfully performed on all 43 eyes, restoring corneal transparency.
- Combined procedures (amniotic membrane transplantation) were used for specific cases like corneal tumors and alkali burns without complications.
Conclusions:
- Anterior segment optical coherence tomography (AS-OCT) provides objective, noninvasive preoperative assessment of anterior corneal opacities.
- AS-OCT is a valuable tool for guiding superficial keratectomy (SK) procedures.
- The technique facilitates improved surgical planning and outcomes in managing corneal opacities.

