Visiting Research Professors
Awards to two Visiting Research Professors
Recommendations on IOL exchange.
Guidelines for Intraocular Lens Exchange Due to Material Changes
In Publications, Jun 11, 2026
Injector Force
A laboratory analysis of the variation in resistance force during intraocular lenses injection by...
In 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 Research, Jan 30, 2026
2025: 57+ publications
2025:57+ publications from the Heidelberg University Hospital Eye Department and the David J Appl...
In Publications, Dec 31, 2025
2025 - Good News!
Good news to end 2025: the first African country to eliminate river blindness: the Republic of Ni...
In Lab News, Dec 31, 2025
Refining mini-monovision
In a laboratory study, both Acunex Quantum and RayOne EMV are suitable for mini-monovision. ### H...
In Research, Dec 24, 2025
Artiplus and IPCL
Laboratory study of Ophtec’s Artisan versus the Care Group’s IPCL
In Research, Oct 20, 2025
Vivity and PureSee
EDoF lenses allow cataract and refractive-lens-exchange patients to have improved intermediate-di...
In Research, Jul 24, 2025
Safety in IOL exchange
We set out to study IOL exchange in patients who had IOL complications but otherwise had healthy ...
In Research, Jun 30, 2025
Simulating IOL vision before implanting a lens
IOL simulators, where the patient can experience vision through IOLs prior to IOL implantation, a...
In Research, Jun 25, 2025
Exact and Symfony
We compared two hybrid refractive-diffractive IOLs with enhanced depth of focus.
In Research, May 20, 2025
DGII 2025 prizewinning papers
Five prizewinning papers from Heidelberg at this year’s DGII meeting.
In Lab News, Feb 15, 2025
An objective decision criterion for IOL exchange
Counselling after IOL calcification
In Research, Feb 09, 2025
How was the Ridley-Rayner IOL made?
Who were the Rayner men who designed and made the early IOLs?
In History, Nov 29, 2024Welcome
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: 57+ publications
2025:57+ publications from the Heidelberg University Hospital Eye Department and the David J Apple Centre for Vision Research.
Read More
Recommendations on IOL exchange.
Guidelines for Intraocular Lens Exchange Due to Material Changes
Read More
All Articles
Flies, Blinding Worms, Spitting snakes!
Ridley's 1944 radio broadcast about his field trip to Funsi, (RiverBlindness is eradicated now in parts of Ghana) and Ridley's snake venom paper
In History, Nov 26, 2024
A Novice in Tropical Ophthalmology
Harold Ridley's field work expedition in Ghana during World War Two
In History, Sep 20, 2024
CAIRS
a 35-year old male presented to our keratoconus clinic complaining of bilateral reduced vision , despite spectacle correction due to significant astigmatism . his occupation as a welder with heavy exposure to a dusty environment made him an unsuitable candidate for contact lenses . the patient's ...
In Clinical, Jul 11, 2024
Harold Ridley's birthday, 10 July
2024 marks the 75th anniversary of the first intraocular lens manufactured by Rayner in 1949. Sir Harold Ridley was born in Kibworth, a village in Leicestershire in the English Midlands, on 10th July 1906. He was the elder son of Nicholas Charles Ridley and Margaret (née Parker)
In History, Jul 10, 2024
EndoArt® : 5 years
Five years ago, I performed the first human implantation of the **EndoArt®** artificial DMEK-Implant at our Heidelberg University Eye Clinic. Based on a recent examination, I am pleased to say that the patient and the Implant are doing fine five years on.
In Clinical, Jun 18, 2024
Featured
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Visiting Research Professors
In Lab News, -
DOC 2026
In Lab News, -
Recommendations on IOL exchange.
In Publications, -
Injector Force
In Research, -
AH Cytokine and Chemokine changes after FLACS
In Research, -
2025: 57+ publications
In Publications, -
2025 - Good News!
In Lab News, -
Refining mini-monovision
In Research, -
Artiplus and IPCL
In Research, -
Vivity and PureSee
In Research,