Visiting Research Professors
Awards to two Visiting Research Professors
Recommendations on IOL exchange.
Guidelines for Intraocular Lens Exchange Due to Material Changes
In white paper, Jun 11, 2026
Injector Force
A laboratory analysis of the variation in resistance force during intraocular lenses injection by...
In laboratory research, May 11, 2026
AH Cytokine and Chemokine changes after FLACS
A study of postoperative inflammation after femtosecond laser-assisted cataract surgery showed th...
In Clinical and laboratory research, Jan 30, 2026Welcome
The David J Apple® Laboratory continues the pioneering work of Dr. David Apple which focuses on intraocular lens research and improving cataract surgery techniques.
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Two Apple cores
The core of the laboratory is the people who do the research. While David Apple was alive, he called his researchers the Apple Korps. Now one can talk of a New Generation of Auffarth-Apple Korps.
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2025 - Good News!
Good news to end 2025: the first African country to eliminate river blindness: the Republic of Niger leads the way.
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2025: 57+ publications
2025:57+ publications from the Heidelberg University Hospital Eye Department and the David J Apple Centre for Vision Research.
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Recommendations on IOL exchange.
Guidelines for Intraocular Lens Exchange Due to Material Changes
Read More
All Articles
(ARCHIVE) 2019 cataract poster prizewinners in Paris
Dr. Daniel H. Chang, USA, won the First Prize for his poster on visual outcomes and defocus curve profiles of a next-generation diffractive presbyopia-correcting intraocular lens at the 2019 ESCRS meeting.
In Sep 15, 2019
Small-aperture IOL results.
Researchers evaluated the visual outcomes of 13 cataract patients with a small-aperture IOL in one eye and a segmental-refractive bifocal IOL in the other, showing improved binocular visual results and minimal photic phenomena.
In research, news, Sep 12, 2019
Straylight from glistenings
Glistenings in hydrophobic acrylic intraocular lenses (IOLs) are fluid-filled microvacuoles that can negatively impact visual function. Studies have shown that severe glistenings can mildly reduce contrast sensitivity and visual acuity. The formation of glistenings is highly dependent on IOL mate...
In publication, news, Jul 01, 2019
lOL opacification after vitrectomy and gas injection
Hydrophilic intraocular lenses can opacify due to calcium deposition after pars plana vitrectomy and intravitreal gas injection, requiring IOL explantation.
In Dec 27, 2018
CSI:Heidelberg Episode 2
"CSI Heidelberg Episode 2 focuses on multifocal and EDOF (Extended Depth of Focus) intraocular lens (IOL) technology, highlighting their features, benefits, and challenges.
In news, publication, Oct 01, 2018 Featured
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Visiting Research Professors
In lab news, -
DOC 2026
In lab, news, -
Recommendations on IOL exchange.
In white paper, -
Injector Force
In laboratory research, -
AH Cytokine and Chemokine changes after FLACS
In Clinical and laboratory research, -
2025: 57+ publications
In news, -
2025 - Good News!
In laboratory news, -
Refining mini-monovision
In lab research, -
Artiplus and IPCL
In lab research, -
Vivity and PureSee
In lab research,