Fábio Henrique Luiz Leonardo1,2, Midori Hentona Osaki3,4, Débora Fernandes Biazim3, Yara Martins Ortigosa Leonardo5, Tammy Hentona Osaki3,4. 1. Department of Ophthalmology and Visual Sciences, Division of Ophthalmic Plastic and Reconstructive Surgery, Paulista School of Medicine - EPM, Federal University of S. Paulo - UNIFESP, S. Paulo, SP, Brazil. fabio.leonardo@unifesp.br. 2. Clínica Triune, R. 12 De Outubro, 1696 - Jardim Aviação, Presidente Prudente, SP, 19020-520, Brazil. fabio.leonardo@unifesp.br. 3. Department of Ophthalmology and Visual Sciences, Division of Ophthalmic Plastic and Reconstructive Surgery, Paulista School of Medicine - EPM, Federal University of S. Paulo - UNIFESP, S. Paulo, SP, Brazil. 4. Division of Ophthalmic Plastic and Reconstructive Surgery, Osaki Eye and Eyelid Experts, S. Paulo, SP, Brazil. 5. Clínica Triune, R. 12 De Outubro, 1696 - Jardim Aviação, Presidente Prudente, SP, 19020-520, Brazil.
Abstract
PURPOSE: Dermoscopy is a complementary examination of skin lesions, which allows the observation of anatomical features invisible to the naked eye. Its use increases the diagnostic accuracy of skin tumors. The development of polarized dermoscopy allowed the observation of deeper skin structures, without the need of skin contact. The purpose of this study was to present a low-cost prototype through the adaptation of polarized lenses on a slit lamp in order to assess anatomical aspects invisible to conventional biomicroscopy in eyelid lesions. METHODS: Twenty two eyelid lesions were documented using a prototype, compound of two polarizing filters, orthogonal to each other, adapted to a slit lamp with an integrated digital camera. Images of the eyelid lesions were also obtained with non-polarized biomicroscopy and with a portable dermatoscope, and were compared regarding anatomical aspects. RESULTS: Anatomical structures imperceptible to conventional ophthalmic examination were evidenced using the polarized lenses, demonstrating that this tool can be useful to the ophthalmologist when assessing eyelid lesions. We have obtained high-quality images of the lesions. The slit lamp provided higher magnification, better focus control and easier assessment of eyelid lesions than the portable dermatoscope. CONCLUSION: Ophthalmologists already use the slit lamp in their practice. The adaptation of polarized lenses to this device is a cost-effective, fast and non-invasive method that permits to improve the diagnostic accuracy of eyelid lesions, evidencing anatomical structures imperceptible to conventional ophthalmic examination.
PURPOSE: Dermoscopy is a complementary examination of skin lesions, which allows the observation of anatomical features invisible to the naked eye. Its use increases the diagnostic accuracy of skin tumors. The development of polarized dermoscopy allowed the observation of deeper skin structures, without the need of skin contact. The purpose of this study was to present a low-cost prototype through the adaptation of polarized lenses on a slit lamp in order to assess anatomical aspects invisible to conventional biomicroscopy in eyelid lesions. METHODS: Twenty two eyelid lesions were documented using a prototype, compound of two polarizing filters, orthogonal to each other, adapted to a slit lamp with an integrated digital camera. Images of the eyelid lesions were also obtained with non-polarized biomicroscopy and with a portable dermatoscope, and were compared regarding anatomical aspects. RESULTS: Anatomical structures imperceptible to conventional ophthalmic examination were evidenced using the polarized lenses, demonstrating that this tool can be useful to the ophthalmologist when assessing eyelid lesions. We have obtained high-quality images of the lesions. The slit lamp provided higher magnification, better focus control and easier assessment of eyelid lesions than the portable dermatoscope. CONCLUSION: Ophthalmologists already use the slit lamp in their practice. The adaptation of polarized lenses to this device is a cost-effective, fast and non-invasive method that permits to improve the diagnostic accuracy of eyelid lesions, evidencing anatomical structures imperceptible to conventional ophthalmic examination.
Authors: Naomi Chuchu; Yemisi Takwoingi; Jacqueline Dinnes; Rubeta N Matin; Oliver Bassett; Jacqueline F Moreau; Susan E Bayliss; Clare Davenport; Kathie Godfrey; Susan O'Connell; Abhilash Jain; Fiona M Walter; Jonathan J Deeks; Hywel C Williams Journal: Cochrane Database Syst Rev Date: 2018-12-04
Authors: Michael Phillips; Helen Marsden; Wayne Jaffe; Rubeta N Matin; Gorav N Wali; Jack Greenhalgh; Emily McGrath; Rob James; Evmorfia Ladoyanni; Anthony Bewley; Giuseppe Argenziano; Ioulios Palamaras Journal: JAMA Netw Open Date: 2019-10-02