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November 2002
IN THIS ISSUE

Wavefront seeks a higher order of vision correction


New laser system for intraoperative measurement of LASIK flap thickness

Visual prostheses use neurotransmitter retinal chips to stimulate retinal function

Wavefront emerges as powerful tool for night vision

Allegretto promising for hyperopia and hyperopic astigmatism

Topography's role in wavefront systems

IOP measurement after LASIK may be unreliable

LASEK may only play support on refractive stage

Solid-state laser PRK yields favourable results for myopia

GTS-assisted DLK useful alternative to PK for keratoconus

Glaucoma common after PK bodes poorly for visual outcome

Classic drawbacks of PRK succumb to new strategies

New insight into LASIK dry eye pathogenesis

Use of anti-inflammatories after capsulotomy questioned

Good quality training leads to good quality cataract surgery

One line of regained visual acuity is a snip at just €120

Mitomycin-C provides effective haze prophylaxis

Long-term concerns linger on safety of Mitomycin-C

German politicos promise health reforms

Honey forms biblical basis for corneal oedema

Routine two-step LASIK after PK unnecessary

Plasma knife provides clean and accurate cut for capsulorhexis

Glaucoma therapy targets apoptosis and trabecular meshwork

Viscocanalostomy viable choice for cataract-glaucoma

Device allows needle-free injections into smallest vessels

New river blindness therapy may provide panacea for 18m people

Daytime running lights may soon be compulsory in all EU states

Intracorneal lamellar implants still a questionable option

Aqualase system viable for small incision cataract removal

Unilateral von-Hippel disease with optic nerve head

FEATURES
From The Editor
Reflections on Refractive Surgery
In Your Good Books
An Eye On Travel
Bio-ophthalmology
Outlook on Industry
Regulatory Matters


Modern Cataract Surgery

Modern Cataract Surgery
Thomas Kohnen (Volume Editor)
Karger AG, Basel, 2002
Hardback / 240 pages / 112 figures, 40 in colour,
40 tables
ISBN: 3-8055-7364-2 / 224 Swiss francs / $195

I AM reviewing volume 34. Although I haven't seen any of the other volumes, I concur with the blurb on the volume's cover - that it is a self-standing work. In fact, each chapter in the volume is a self-standing article that you may find in any of the good peer-reviewed journals of the sub-speciality.
Modern Cataract Surgery belongs to the "Developments in Ophthalmology Series" - a collection of academic books dealing with front-line clinical issues. Previous titles within the series were ocular infection-related; the three previous volumes dealt with mycosis of the eye, antiseptic prophylaxis and updating of uveitis.

Leaving infections behind, volume 34 tackles cataract surgery, particularly small incision surgery, and promises a wealth of timely information for anterior segment surgeons. It is designed to provide a broad update in their field.
The man in charge of the project (the volume editor) is Thomas Kohnen, well known to EuroTimes readers through his active contributions to research, publications, presentations at international meetings and educational activities. He heads the Department of Ophthalmology at the Johann Wolfgang Goethe University in Frankfurt, Germany.

The series editor is Professor Wolfgang Behrens-Baumann, Director of the Hospital and Health Centre for Eye Medicine at the Otto Von Guericke University in Magdeburg, Germany. He too is a widely respected figure and prolific writer in ophthalmological literature, with a special interest in ocular infections. The calibre of the editors selected for the different volumes are a credit to him.

The first impression this book affords you is misleading. It feels like the series was initiated in the 1970s and that the publishers decided to keep the same look for the sake of consistency. By contrast, most conference proceedings look more modern.
Of course, if you decide to buy the book because you read this review and trust EuroTimes, or if know one of the contributors or you've heard about it from a colleague, the look of the book doesn't really matter.
But if I were in a hospital library, browsing through the ophthalmology selves in search of books on cataract surgery, I would never pick this one up. Unless possibly it was the only one on the self.

I don't think I would go so far as opening the first page and checking the publication date. In fact, I would probably think worse of it: an old book that looks brand new - obviously nobody has looked at it since the 70s.
Don't be fooled though. This is a good book. An international panel of experts write all 22 chapters. The 'from all over the world' preface is actually western Europe, the US and Canada.

Each individual or group wrote a chapter that for the most part reads like an article, documenting their clinical experience, results of a particular piece of research or innovations in the field. All articles have the common goal of successful cataract surgery.

Lengthy introductions and prefaces are left out and after a very short preface from the editor, we are deep into serious content. Some contributors follow the academic style to extremes.
For instance, some chapters are true peer-review specialist papers with traditional journal article structure, language and approach. Some chapters even make use of smaller typeface for the "Material & Methods" section.

Colour is used sparsely and illustrations and tables are good. I particularly like the one summarising studies of multifocal and bifocal lenses in the chapter on multifocal IOLs.
All chapters are carefully and correctly referred at peer-review publication level. The index is not so good: a random check for a few words let me wanting.
Topical anaesthesia is the first topic with a focus on small incision surgery needs. Viscoadaptives and their predecessors are discussed next in two chapters that present two different comparative studies.

The Staar Ware is the first of the phaco technologies and techniques discussed. Phacotmesis (briefly) and tilt and tumble (in detail) are also presented.
Phacoemulsification after delivery of the lens into the anterior chamber is an unusual surgical option that may be useful in some instances, as is phaco in the vitreous cavity which is described four chapters later.
Contributors describe phaco chop and ultrasound-assisted phaco aspiration next, followed by management of mature cataracts which can claim to be one of the best-illustrated chapters.

The use of capsular tension rings, as an adjuvant for phaco, is one example of a chapter in which some contributors put forward their initial experience with novel ideas.
The volume deals with biometry in the next three chapters in which different teams from both Europe and the US discuss different aspects of the process.

There are also several chapters about implanting IOLs of which injector systems for foldable IOLs is the first. Kohnen's own contribution on incisions is also a meaty, well-illustrated chapter. A diagnostic chapter - Scheimpflug slit images to assess lens position - follows. Two chapters are dedicated to PCO. Piggyback implantation and multifocal lenses finish the collection.
Most of the articles collected in this book will find their way into mainstream publications. In fact, the full volume is listed in bibliographic services including Current Contents, Reference Update, Biological Abstracts and MEDLINE.

What you have here is a good and comprehensive collection for anyone looking for an update on what is happening now in cataract surgery: a selection full of clinical data that will be invaluable reference when you are writing your own papers.
Modern Cataract Surgery will not be useful for trainees or surgeons finding their way in the field. It is aimed at sub-specialists concerned with improving their technique, making a contribution to the field and putting their own research in context with leading specialists.

For the specialists who thought things move slowly in cataract surgery and that no major surprises are in the pipeline, this book should be an eye opener.
And for those of you who always check the publication date and don't judge a book by its cover - with this one you were absolutely right!

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