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Ptosis Correction Through Anterior Displacement of Levator Aponeurosis Within the Corneal Region.
Aesthetic Plast Surg
January 2025
Department of Wound Repair, The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha City, Hunan Province, P.R. China.
Background: Upper eyelid ptosis is a common aesthetic concern among Asian patients, resulting in a tired and drowsy appearance that affects their attractiveness. The levator advancement technique is widely used for ptosis correction; however, achieving precise results remains challenging.
Objectives: This study introduces a modified approach to improve the accuracy of levator aponeurosis advancement by focusing on precise measurements and anterior displacement within a defined corneal range.
Mechanical Strain of Corneal Epithelium Influences the Expression of Genes Implicated in Keratoconus.
Invest Ophthalmol Vis Sci
January 2025
Wilmer Eye Institute, Johns Hopkins Medical Institute, Baltimore, Maryland, United States.
Purpose: Although mechanical injury to the cornea (e.g. chronic eye rubbing) is a known risk factor for keratoconus progression, how it contributes to loss of corneal integrity is not known.
View Article and Find Full Text PDFSMILE-Derived Corneal Stromal Lenticule: Experimental Study as a Corneal Repair Material and Drug Carrier.
Cornea
January 2025
Chongqing Eye and Vision Care Hospital Aier Eye Hospital Group, Yu Zhong, Chongqing, China.
Purpose: A detailed study of the physicochemical properties of SMILE-derived lenticules and evaluation of their drug delivery after loading with silver nanoparticles (AgNPs).
Methods: The lenticules were decellularized and modified with crosslinking concentrations of 0.01 (0.
Xenographic lenticule implantation followed by riboflavin and UV treatment: A promising alternative for corneal ectasias management.
Methods
January 2025
Faculty of Pharmacy, Federal University of Minas Gerais, Av. Antônio Carlos 6627, Pampulha, CEP 31270-901 Belo Horizonte, Minas Gerais, Brazil. Electronic address:
The cornea is the primary refracting surface of the eye, requiring precise curvature to ensure optimal vision. Any distortion in its shape may result in significant visual impairment. Corneal ectasias, such as keratoconus (KC), is characterized by gradual thinning and protrusion of the thinned area, due to biomechanical weakening of the tissue, leading to astigmatism and vision loss.
View Article and Find Full Text PDFTopography-guided, patterned, customized corneal crosslinking for non-invasive astigmatism correction.
Eye (Lond)
January 2025
Bio-manufacturing Engineering Laboratory, International Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong, China.
Objectives: To propose and evaluate a novel, non-invasive approach for enduring corneal astigmatism correction based on topography-guided, patterned, customized riboflavin-ultraviolet A corneal collagen crosslinking (CXL).
Methods: Astigmatism was modelled on both eyes of rabbits. A randomly selected eye of each rabbit was treated by the proposed CXL procedure with another eye as control.
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