Optical Lens Surgery
Optical Lens Surgery - Related Videos
03:14
Eye Lens Dissection: A Technique to Observe Zebrafish Lens Morphology
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2023
This video describes the protocol which is developed to dissect adult and larval zebrafish lenses to analyze cortical lens morphology and structural integrity of the lens sutures.
04:03
Application of Laparoscopic Ultrasonography in Primary Choledochal Suture during Combined Two-lens Surgery
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Cited by 1 •
2025
Here, we develop and present a T-tube and intrabiliary stent-free technique utilizing dual-lens visualization (via laparoscope and choledochoscope) combined with laparoscopic ultrasonography (LUS) to perform primary choledochal suture.
04:59
Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
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Cited by 1 •
2023
The present protocol describes removing residual epithelial cells by rotating the intraocular lens in extracapsular cataract surgery without extra tools for preventing posterior capsular opacification.
10:28
Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
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Cited by 5 •
2016
We present a compact reflection digital holographic system (CDHM) for inspection and characterization of MEMS devices. A lens-less design using a diverging input wave providing natural geometrical magnification is demonstrated. Both static and dynamic studies are presented.
08:31
Three-dimensional Optical-resolution Photoacoustic Microscopy
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Cited by 27 •
2011
Optical-resolution photoacoustic microscopy (OR-PAM) is an emerging technology capable of imaging optical absorption contrasts in vivo with cellular resolution and sensitivity. Here, we provide a visualized instruction on the experimental protocols of OR-PAM, including system configuration, system alignment, typical in vivo experimental procedures, and functional imaging schemes.
FAQs
The crystalline lens helps determine where incoming light is focused in the eye. Reshaping, modifying, or replacing it changes the optical conditions that guide light toward the retina. When focus improves, retinal signals can represent visual scenes more clearly, creating better sensory input for visual processing and perception.
Refractive errors primarily involve a mismatch between the eye’s focusing system and the desired retinal focus, whereas lens opacity reduces the clarity of light passing through the lens. Optical lens surgery can address these problems by modifying or replacing the lens, but the relevant visual limitation differs between focusing accuracy and optical clarity.
An artificial intraocular lens is selected to provide an appropriate focusing effect after the natural lens has been removed or modified. Its role is to help direct incoming light toward the retina rather than leaving the eye without the natural lens contribution. The selection therefore directly relates to the quality of the resulting retinal input.
The small ocular incision provides access to the natural lens so that it can be removed or modified when necessary. After this access step, an artificial intraocular lens may replace the natural lens. This sequence links the physical surgical intervention to the optical goal of restoring or improving focus.
Improved lens function can enhance the quality of light reaching the retina and may restore visual performance when refractive error or lens opacity limits vision. The resulting retinal input is important because the retina supplies signals to visual pathways, allowing researchers and clinicians to examine changes in visual function after optical correction.
By altering the quality of retinal input, optical lens surgery provides a clinical context for studying how the retina, visual pathways, and brain interpret sensory information. Researchers can relate changes in optical focus to visual performance and neural function, making the procedure relevant to investigations of vision-related processing rather than only to eye treatment.