Bibliographic record
Abstract
In 1994, the first edition of this textbook on strabismus and amblyopia by John Pratt-Johnson and Geraldine Tillson from Vancouver appeared.Both authors were well-known and significant contributors to clinical strabismology through many publications.Now this book is available in a second edition.The first edition of this book has already been appreciated by many strabismologists working in clinical practice.Like this edition, the second edition is well written, with clear sections, reflecting the vast experience of a life-long devotion to strabismus.After the two first chapters on physiology and pathology of binocular vision, there is a pearl of a practical chapter about the first visit.Then follows sections on sensory and motor evaluation of strabismus, before the different kinds of strabismus are outlined in succeeding chapters.Towards the end of the book the authors deal with some specific problems: strabismus in adults, general aspect of extraocular muscle surgery, surgical complications, head tilt, double vision, nystagmus and common mistakes in the management of strabismus.The last chapter is devoted to the issue of preventing amblyopia in the developing countries.Som points of discussion may be mentioned.The term ''organic amblyopia'' (p.77) is to me a contradiction, and should better be avoided.Dealing with weakening surgical procedures on the oblique muscles (examples on p.96 and 144-146), myectomy (inferior oblique) and tenotomy (superior oblique) are almost exclusively taken into account.According to most European authors, controlled recession procedures should be preferred.In my opinion, the authors of this book should have presented both these options.Likewise, in the section about sixth nerve palsy (p.177), only Jensen's procedure is presented as a possible surgical method.Many strabismus surgeons would perhaps prefer Hummelsheim's or O'Connor's procedure, and in a strabismus textbook I think all these three methods should have been presented and discussed.The difference between the first and the second edition is minor.Most of the chapters are virtually unchanged, but some references have been added.As far as I have seen, no additional illustrations appear in the new addition.The main difference is two additional chapters, one about common mistakes in the management of strabismus (which indeed is a clinically important and well-written chapter) and one about strabismus and amblyopia in developing countries.One piece of information that I miss in the new edition is about the fibrous tissue apparatus in the orbit making up the socalled pulleys.A number of publications the last 5-6 years have shown that these structures probably serve as functional origins of the extraocular muscles.In addition, it has also been shown that displacement of these pulleys may mimic A-or Vpatterns.Thus, they may clearly have clinical and practical implications.This book is not a comprehensive volume in the field of strabismus and binocular vision, but a short, practical and clinical textbook, which hereby is recommended.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".