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What is Axial proptosis is produced by tumors lying in - and explain in detail?
The central space. It is also called muscular cone or retrobulbar space. It is bounded anteriorly by the Tenon's capsule lining back of the eyeball and peripherally by the four recti muscles and their intermuscular septa in the anterior pa. In the posterior pa, it becomes continuous with the peripheral space. Tumours lying here usually produce axial proptosis. Retrobulbar injections are made in this space. Other surgical spaces of orbit include: 1. The subperiosteal space. This is a potential space between the bone and the periorbita (periosteum). 2. The peripheral space. It is bounded peripherally by the periorbita and internally by the four recti with thin intermuscular septa. Tumours present here produce eccentric proptosis and can usually be palpated. For peribulbar anaesthesia, injection is made in this space. 3. Tenon's space. It is a potential space around the eyeball between the sclera and Tenon's capsule. Ref: Comprehensive Ophthalmoogy, A.K. Khurana - 4th edition.