Cataract Surgery
Cataract Surgery - Related Videos
05:19
Modeling Cataract Surgery in Mice
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Cited by 3 •
2023
This method models cataract surgery in vivo by removing lens fiber cells from adult mice and leaving behind the capsular bag with attached lens epithelial cells (LECs). The injury response is then assessed at various times post-surgery using molecular and morphological criteria.
07:53
Establishment of a Clinically Relevant Ex Vivo Mock Cataract Surgery Model for Investigating Epithelial Wound Repair in a Native Microenvironment
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Cited by 13 •
2015
Described here is the establishment of a clinically relevant ex vivo mock cataract surgery model that can be used to investigate mechanisms of the injury response of epithelial tissues within their native microenvironment.
13:56
Characterization of Molecular Mechanisms of In vivo UVR Induced Cataract
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Cited by 4 •
2012
Cataract is the leading cause of blindness in the world. Solar ultraviolet radiation (UVR) is the main risk factor for cataract development. An animal model of far UVR-B induced cataract was developed. In this article we describe methods for investigation of cataract formation: exposure to UVR, quantitative RT-PCR and immunohistochemistry.
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.
12:13
Considerations for Rodent Surgery
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2016
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN The Guide for the Care and Use of Laboratory Animals1 dictates that rodent survival surgery be performed aseptically. Aseptic technique utilizes specific practices that minimize the contamination of the surgical site, including patient preparation, surgeon preparation, sterilization of instruments and other supplies, and the use of a clean and controlled environment. Presurgical planning,...
FAQs
Phacoemulsification uses ultrasound energy to break the clouded lens into smaller fragments. The ophthalmologist then aspirates those fragments through the incision, reducing the amount of tissue that must pass through the surgical opening. This combination of fragmentation and aspiration is central to the microsurgical approach and supports placement of the replacement lens during the same procedure.
The artificial intraocular lens replaces the optical role of the removed natural lens. Its design is therefore an important focus of cataract research, because lens characteristics relate to restored visual performance. After surgery, clinicians can assess outcomes through changes in visual acuity, contrast, and the patient’s ability to perform daily activities.
Local anesthesia is commonly used to support cataract surgery while the ophthalmologist performs precise microsurgical steps inside the eye. Its use is part of the procedural context rather than the lens-removal mechanism itself. Studying this setting helps connect surgical technique, patient management, and the controlled conditions needed for intraocular lens placement.
Evaluation extends beyond immediate improvement in sight because postoperative complications can affect the result. Infection and posterior capsule opacification are specifically identified concerns. These outcomes make cataract surgery useful for studying postoperative healing and for examining how the procedure, intraocular lens design, and later eye changes influence sustained visual performance.
The sequence generally begins with local anesthesia, followed by a small incision and ultrasound fragmentation of the cataract. The resulting pieces are aspirated, and an artificial intraocular lens is inserted. This workflow links the operative steps directly to the intended outcomes: restoring visual acuity and contrast while improving everyday visual function.
In medicine, cataract surgery provides a practical model for investigating several connected areas: microsurgical techniques, intraocular lens design, postoperative healing, and complications. Researchers can relate technical choices to measurable outcomes such as visual acuity, contrast, and daily functioning. The procedure therefore connects clinical treatment with broader study of surgical performance and recovery.