Mobile infrared slit-light scanner for rapid eye disease screening

Neelam Kaushik; Parmanand Sharma; Noriko Himori; Takuro Matsumoto; Takehiro Miya; Toru Nakazawa

doi:10.1117/1.JMI.11.2.026003

10 April 2024 Mobile infrared slit-light scanner for rapid eye disease screening

Neelam Kaushik, Parmanand Sharma, Noriko Himori, Takuro Matsumoto, Takehiro Miya, Toru Nakazawa

Author Affiliations +

Journal of Medical Imaging, Vol. 11, Issue 2, 026003 (April 2024). https://doi.org/10.1117/1.JMI.11.2.026003

Abstract

Purpose

Timely detection and treatment of visual impairments and age-related eye diseases are essential for maintaining a longer, healthier life. However, the shortage of appropriate medical equipment often impedes early detection. We have developed a portable self-imaging slit-light device utilizing NIR light and a scanning mirror. The objective of our study is to assess the accuracy and compare the performance of our device with conventional nonportable slit-lamp microscopes and anterior segment optical coherence tomography (AS-OCT) for screening and remotely diagnosing eye diseases, such as cataracts and glaucoma, outside of an eye clinic.

Approach

The NIR light provides an advantage as measurements are nonmydriatic and less traumatic for patients. A cross-sectional study involving Japanese adults was conducted. Cataract evaluation was performed using photographs captured by the device. Van-Herick grading was assessed by the ratio of peripheral anterior chamber depth to peripheral corneal thickness, in addition to the iridocorneal angle using Image J software.

Results

The correlation coefficient between values obtained by AS-OCT, and our fabricated portable scanning slit-light device was notably high. The results indicate that our portable device is equally reliable as the conventional nonportable slit-lamp microscope and AS-OCT for screening and evaluating eye diseases.

Conclusions

Our fabricated device matches the functionality of the traditional slit lamp, offering a cost-effective and portable solution. Ideal for remote locations, healthcare facilities, or areas affected by disasters, our scanning slit-light device can provide easy access to initial eye examinations and supports digital eye healthcare initiatives.

Citation Download Citation

Neelam Kaushik, Parmanand Sharma, Noriko Himori, Takuro Matsumoto, Takehiro Miya, and Toru Nakazawa "Mobile infrared slit-light scanner for rapid eye disease screening," Journal of Medical Imaging 11(2), 026003 (10 April 2024). https://doi.org/10.1117/1.JMI.11.2.026003

Received: 25 December 2023; Accepted: 28 March 2024; Published: 10 April 2024

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KEYWORDS

Eye

Portability

Cataracts

Diseases and disorders

Microscopes

Vacuum chambers

Medicine

Purpose

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