Rhegmatogenous retinal detachment (RRD) is a significant cause of vision loss and requires appropriate surgical intervention. There are several approaches available, including observation, laser demarcation, pneumatic retinopexy, scleral buckling, and pars plana vitrectomy, which are chosen based on patient condition, surgeon experience, and national health insurance policies. Despite the various options, there is still no consensus on the optimal intervention. To address this, the Taiwan Retina Society assembled an expert committee with 11 experienced retina specialists to review the current evidence and develop a guideline with seven recommendations for managing RRD patients. Additionally, a survey was conducted with six questions to assess treatment patterns in Taiwan, which included input from the expert committee and an open poll at the 2023 Congress of the Taiwan Retina Society. This report provides a comprehensive summary of the current knowledge and expert consensus on the treatment of RRD, discussing the characteristics of current approaches and providing an overview of current treatment patterns in Taiwan. These findings aim to provide ophthalmologists with the best possible treatment for RRD.

To propose the InTraocular EMulsion of Silicone oil (ITEMS) grading system for the assessment of silicone oil (SiO) emulsion, applicable in a routine clinical setting and validated through an expert-led consensus procedure.
Seven experts on intraocular liquid tamponades, led by a facilitator, performed a literature review on the detection of SiO emulsion. Based on the proposed ideas, a questionnaire was developed and submitted to the experts on the methods to detect SiO emulsion and the items to grade. After 2 rounds of individual ranking using a 9-point scale and related discussion, the final grading system was developed including items that reached consensus (score ≥7 from ≥75% of members).
The agreed ITEMS grading system includes the identification of SiO microbubbles and large SiO bubbles through slit-lamp biomicroscopy, gonioscopy, fundus examination under mydriasis, or ultra-wide-field fundus photography. Moreover, macular and disk optical coherence tomography are used to detect SiO-associated hyperreflective dots.
An evidence-based expert-led consensus was conducted to develop grading system of SiO emulsion, allowing, for the first time, homogenous collection of data on SiO emulsion. This has the potential to improve the understanding of the role and clinical relevance of SiO emulsion, allowing comparisons between different studies.

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This paper outlines general guidelines following the initial diagnosis of rhegmatogenous retinal detachment. These include preoperative evaluation, treatment, possible intra- and post-operative complications, retinal re-detachment, and all therapeutic options available for each case. Treatment of the traumatic retinal detachment is also described, due to its importance and peculiarities. Treatment or prophylactic guidelines are suggested for the different types of retinal detachment described. These are based on both the experience of the ophthalmologists that have participated in preparing the guidelines, and also on evidence-based grading linked to bibliographical sources. However, these guidelines should not be interpreted as being mandatory. Given that there is a wide spectrum of options for treatment of retinal detachment, the surgeons\' experience with one or other surgical technique will be of utmost importance in obtaining the best surgical result. As guidelines, they are intended as an additional aid to the surgeon during the decision-making process, with the expectation that the final choice will still be left to the surgeon\'s judgment and past experience.

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In view of diverging opinions for retinal detachment surgery (pneumatic retinopexy or buckling procedure with or without drainage versus primary vitrectomy without external buckling) pneumatic retinopexy, orbital balloon, buckling procedures (sponge, encircling band) are discussed with a short historical background and a brief description of current technology. Pros and cons of the individual technique are discussed on the basis of monographs and articles. From the repertoire of a retinal surgeon typical case examples are presented, different operation methods discussed, advantages and disadvantages of each individual technique emphasized. A goal of the work is to provide a practicable manual for the less experienced surgeon and the expert, who experiences an increasing trend to vitrectomy techniques instead of the conventional buckling procedures.

Current techniques of rhegmatogenous retinal detachment repair allow most detachments to be repaired successfully. The success of repair depends on a careful pre-operative examination and choice of an appropriate procedure. The surgery is usually tailored to individual needs. Improvements in surgical techniques coupled with a better understanding of the pathophysiology of rhegmatogenous retinal detachment continue to improve the anatomic and functional success of retinal detachment repair.

BACKGROUND: Concerning the indications, progression in course and the possible complications, the different methods of treatment in cases of retinoschisis in its different expressions were examined. A staging of senile retinoschisis is presented.
METHODS: Patients\' natural course, prophylactic treatment against expansion and treatment of retinal detachment were examined.
RESULTS: The lateral and central barrier of laser or cryo around the schisis is contradictory since a progression in direction to the macula is the result. Three of such cases could be found. In 6 of 52 cases with prophylactic treatment of an outer layer defect with cryo the result was a schisis detachment. In all these cases a retinal reattachment was performed with the Custodis procedure. The final anatomic result of 95 treated schisis retinal detachments was a 98% success. The symptomatic or progressive cases had a little less favourable outcome.
CONCLUSIONS: The only indication for treatment of a schisis at present is the symptomatic or progressive schisis detachment with threatening of the macula. Lateral or central barring of a schisis or treatment of the borders of an outer layer retinal break should be avoided. The rate of reattachment and the functional results are better than in the group of rhegmatogenous retinal detachments including the 50.5% schisis retinal detachments without symptoms.

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