Gas-Permeable Material Selection
Gas-Permeable Material Selection Edward S. Bennett Before the fitting, evaluation, and patient education procedures, it is important to select the most appropriate lens material for a given patient. An understanding…
Companion for Contact Lens Optics
Companion for Contact Lens Optics William J. Benjamin Contact lenses are prescribed for their optical effects on vision, which have been extensively discussed in Chapters 26, 27, and 28 of…
Preliminary Evaluation
Preliminary Evaluation Edward S. Bennett Ronald K. Watanabe Carolyn G. Begley ▪ PURPOSE A comprehensive preliminary evaluation is the essential first step in the contact lens fitting process. It is…
Orbital Surgery
Orbital Surgery Introduction In Chapter 1, we first met the patient with an assumed orbital tumor. We listened to the story of progression since the onset of the problem, measured,…
Inflammatory Orbital Pseudotumors
Inflammatory Orbital Pseudotumors In this chapter, we will discuss the orbital manifestations of a group of clinical entities, which, for many years, were lumped together as pseudotumors. These entities are…
Miscellaneous Orbital Tumors
Miscellaneous Orbital Tumors This chapter is reserved for discussion of tumors that do not quite fit the subject matter or titles of previous chapters, and tumors of such uncertain origin…
Meningioma
Meningioma If the reader were to think of just one tumor type that would cross multiple specialty lines it would probably be the meningioma. The meningioma is a very important…
Metastatic Carcinomas
Metastatic Carcinomas Clinical Features Over the time interval of our study of orbital tumors, 1948 to the present, I am impressed by the proliferation of publications describing carcinomas (chiefly adenocarcinomas)…
Secondary Epithelial Neoplasms
Secondary Epithelial Neoplasms The secondary epithelial neoplasms encroach upon the orbit from contiguous sites such as the nasal cavity and paranasal sinuses; lacrimal sac; caruncle; parotid gland; external surface of…
Primary Epithelial Neoplasms
Primary Epithelial Neoplasms This chapter includes a host of epithelial neoplasms of various histologic types, which, with rare exceptions, arise from the functional components of the lacrimal gland. One exception…
