Keratoconus is an ectatic condition characterized by gradual corneal thinning,corneal protrusion,progressive irregular astigmatism,corneal fibrosis,and visual impairment.The therapeutic options regarding improvement o...Keratoconus is an ectatic condition characterized by gradual corneal thinning,corneal protrusion,progressive irregular astigmatism,corneal fibrosis,and visual impairment.The therapeutic options regarding improvement of visual function include glasses or soft contact lenses correction for initial stages,gas-permeable rigid contact lenses,scleral lenses,implantation of intrastromal corneal ring or corneal transplants for most advanced stages.In keratoconus cases showing disease progression corneal collagen crosslinking(CXL)has been proven to be an effective,minimally invasive and safe procedure.CXL consists of a photochemical reaction of corneal collagen by riboflavin stimulation with ultraviolet A radiation,resulting in stromal crosslinks formation.The aim of this review is to carry out an examination of CXL methods based on theoretical basis and mathematical models,from the original Dresden protocol to the most recent developments in the technique,reporting the changes proposed in the last 15y and examining the advantages and disadvantages of the various treatment protocols.Finally,the limits of non-standardized methods and the perspectives offered by a customization of the treatment are highlighted.展开更多
A number of the constitutions limit recognition of customary law to those customs and/or usages,which have the“force of law”in their respective territories.The question as to whether a custom has the“force of law”...A number of the constitutions limit recognition of customary law to those customs and/or usages,which have the“force of law”in their respective territories.The question as to whether a custom has the“force of law”may be variously interpreted depending upon whether it is the community,the courts,or the legislature,which has the power to identify when a custom becomes law.Determining just when a custom acquires the“force of law”is of much importance for its wider recognition and application.This in turn is linked to the question of proof of customary law.A key aspect of Papua New Guinea(PNG)’s approach is that it brought the multiplicity of regimes of different cultures under a national framework and has given a place to customary law which is now constitutionally recognized as superior to the inherited common law.It places the local and traditional over the inherited and imported law,with the constitution placed over both.In this paper I examine customary law as in the context of the PNG Constitution.展开更多
The relationship between the civil law and commercial law is a long-standing issue of controversy in the area of private law, and it is also an issue of unavoidably legislative selection during the codification the ci...The relationship between the civil law and commercial law is a long-standing issue of controversy in the area of private law, and it is also an issue of unavoidably legislative selection during the codification the civil code in almost every country. Since the founding of the People Republic of China, China has carried out the codification of civil code for four times, and since the part^s eighteen plenary session officially proposed the ＇codification of civil code＇, the issue of the civil and conmaercial relation draws the attention again, either unification or division of civil and commercial law directly affects the system and content of the civil code, and affects how to process the relationship between the civil law and commercial law during the codification of the civil code as well. The codification of the civil code should not only consider the legislative tradition of the civil and commercial legislation and the current legal system, but also pursue characteristics of the commercial law, in a system of combining civil and commercial law, through adding commercial law into the general principle of civil law; the existing commercial law should be separately retained.展开更多
文摘Keratoconus is an ectatic condition characterized by gradual corneal thinning,corneal protrusion,progressive irregular astigmatism,corneal fibrosis,and visual impairment.The therapeutic options regarding improvement of visual function include glasses or soft contact lenses correction for initial stages,gas-permeable rigid contact lenses,scleral lenses,implantation of intrastromal corneal ring or corneal transplants for most advanced stages.In keratoconus cases showing disease progression corneal collagen crosslinking(CXL)has been proven to be an effective,minimally invasive and safe procedure.CXL consists of a photochemical reaction of corneal collagen by riboflavin stimulation with ultraviolet A radiation,resulting in stromal crosslinks formation.The aim of this review is to carry out an examination of CXL methods based on theoretical basis and mathematical models,from the original Dresden protocol to the most recent developments in the technique,reporting the changes proposed in the last 15y and examining the advantages and disadvantages of the various treatment protocols.Finally,the limits of non-standardized methods and the perspectives offered by a customization of the treatment are highlighted.
文摘A number of the constitutions limit recognition of customary law to those customs and/or usages,which have the“force of law”in their respective territories.The question as to whether a custom has the“force of law”may be variously interpreted depending upon whether it is the community,the courts,or the legislature,which has the power to identify when a custom becomes law.Determining just when a custom acquires the“force of law”is of much importance for its wider recognition and application.This in turn is linked to the question of proof of customary law.A key aspect of Papua New Guinea(PNG)’s approach is that it brought the multiplicity of regimes of different cultures under a national framework and has given a place to customary law which is now constitutionally recognized as superior to the inherited common law.It places the local and traditional over the inherited and imported law,with the constitution placed over both.In this paper I examine customary law as in the context of the PNG Constitution.
文摘The relationship between the civil law and commercial law is a long-standing issue of controversy in the area of private law, and it is also an issue of unavoidably legislative selection during the codification the civil code in almost every country. Since the founding of the People Republic of China, China has carried out the codification of civil code for four times, and since the part^s eighteen plenary session officially proposed the ＇codification of civil code＇, the issue of the civil and conmaercial relation draws the attention again, either unification or division of civil and commercial law directly affects the system and content of the civil code, and affects how to process the relationship between the civil law and commercial law during the codification of the civil code as well. The codification of the civil code should not only consider the legislative tradition of the civil and commercial legislation and the current legal system, but also pursue characteristics of the commercial law, in a system of combining civil and commercial law, through adding commercial law into the general principle of civil law; the existing commercial law should be separately retained.
