Which is your favourite toric intraocular lens?

More Heinrich Gerding's questions See All

Is it possible to use a wire element for heat transfer in ABAQUS?

I am trying to model heat transfer as result of a fire in a reinforced concrete wall in 2D. I get the following error when combing a 2D homogeneous part (concrete) with a 2D wire (rebar):...

27 August 2023 3,855 1 View

I have 2 researchgate accounts. I would like to delete one of them and combine all publications etc into one account. Is that possible?

I have 2 researchgate accounts. I would like to delete one of them and combine all publications etc into one account only. Is that possible?

01 August 2023 361 2 View

P-value of fold change?

Hi everyone, Can someone please explain to me how to calculate the p-value of the fold change for gene expression. I made an experiment with 3 controls and 3 treated samples. To analyze relative...

02 December 2021 1,359 1 View

Influence of surface chemistry on adhesion?

Dear community, does anyone have suggestions on papers which adress the influence of surface chemistry (which is e. g. altered by surface treatments) on adhesion of different adhesive types? I...

29 September 2021 279 4 View

I need a software to identify common trades in photographs (portraits) of people. Do you know any?

I need the software I described

06 May 2021 6,982 3 View

Does anybody know a public dataset of drop landing or jump landing maneuvers?

Dear all, In our project we would like to test different control strategies during drop landing compared to jump landing. After an intensive search I could not find a public dataset of drop...

09 February 2021 7,391 4 View

Is there a questionnaire for measuring "21st century skills"?

I wonder if there is a questionnaire for measuring "21st century skills" (a.o. critical thinking, creativity, collaboration, communication, information literacy, media literacy, technology...

11 May 2020 5,329 6 View

Maize (Zea Mays) NDVI data collected using Unmanned Arial Vehicles - Does the time of day impact the NDVI values significantly in the same day?

We have a project on Maize (Zea Mays) in which we use NDVI values to ascertain if values can be used for yield prediction as well as fertilizer recommendations. We collect the data using a...

20 August 2018 5,448 5 View

What is your experience with canaloplasty for glaucoma?

Canaloplasty needs a refinement within the option of glaucoma surgery. What is your experience?

17 March 2018 5,241 1 View

What are your experience with the NGENUITY system in anterior segment eye surgery?

Alcon has launched the NGENUITY system for “heads on“ ocular surgery. Using this system, the surgeon uses a high resolution monitor to perform ocular surgery. The system was primarily developed to...

18 February 2018 5,135 1 View

Is it possible to customize the acoustic lens of the ultrasonic transducer in Field II?

We are interested in studying the effects of varying lens curvatures and material properties on the acoustic field. If this is not feasible, could you recommend alternative software that allows...

15 June 2024 6,213 0 View

Differential gene expression?

Hello, I am working on the mouse lens, in which I have obtained lens fiber and epithelium at two-time points, E17 (embryonic day 17) and P2 (postnatal day 2) for two different mouse strains,...

29 May 2024 3,367 0 View

About visual field test indices & visual acuity statistical comparison?

I am conducting a study on whether the visual outcomes differ before and after surgery in glaucoma patients depending on the type of intraocular lens (IOL) used. I am examining whether there are...

22 May 2024 1,459 2 View

How do you protect a GRIN lens?

Hi, I am implanting G2P10 GRIN lenses for 2P Imaging, Ø1 mm and 3.400 mm long, to PRL mPFC; DV:-1.7. After the implantation I used superglue really carefully around the craniotomy and the lens in...

16 May 2024 4,061 2 View

What are the design caracteristics of a metalens unit cell ?

This lens will be used at 28 GHz (for mmWave in 5G applications). What kind of substrate (thin or thick) and the dimensions of the ring? I have already designed a unit cell but I'm unsure about...

01 May 2024 5,771 0 View

How to count brown/brite adipocites on microscope?

How to count multilocular adipocytes on a slide with a white adipose tissue sample stained with H&E? I had done the count on the entire slide, but the articles put it in % of cells or...

10 April 2024 3,997 2 View

What is the best way to couple light from integrating sphere into a multimode fibre?

I am setting up a test to measure power and spectrum of laser dies. To avoid precise alignment, and also due to lasers' high output power, I have decided to use an integrating sphere to do the...

31 March 2024 4,170 6 View

Strips came out of a hyperspectral imaging system?

An optical system was made from the design shown in the picture-1&picture-2, a slit, a collimating lens, a grating, a focusing lens and a camera. When a halogen lamp light enters the slit, an...

17 March 2024 6,457 9 View

What is physical significance of negative lens tube for example -20 mm lens tube?

A 532 nm laser probe with a 5 mm lens tube means, the laser can be focused at 5 mm distance from the lens tube. Similarly what I can infer from the -20 mm lens tube? Thanks in advance.

15 March 2024 8,913 4 View

How would you verify that you are human?

Can you discuss briefly some notable examples from literature and the visual arts which have contributed to the exploration of the concept “what it means to be human?” "Do Androids Dream of...

23 February 2024 1,617 3 View

Brian DeBroff

I used to use exclusively Alcon Toric IOL's, but have recently switched to exclusively using AMO ZCBOO Toric IOL's because of less patients complaining of internal and external reflections. I am looking to write a paper regarding this issue in the near future.

Marianne Levon Shahsuvaryan

Alcon Toric IOL

Miguel Cuevas

For monofocal IOLs Ophtec PRECIZON and Alcon IQ. For multifocal IOLs I prefer PHISYOL Fine Vision and ALCON Panoptix.