The Iris and Pupil
(1) University of Sydney, Sydney, Australia The Iris Overview 1. The iris is the most anterior portion of the uveal tract [1]. 2. The iris has a central…
OPHTHALMOLOGY
Protective Mechanisms of the Eye and the Eyelids
(1) University of Sydney, Sydney, Australia Protective Mechanisms of the Eye Overview Several mechanisms exist to protect the eye from external injury. Mechanisms of potential damage to the eye…
The Vitreous
(1) University of Sydney, Sydney, Australia Overview The vitreous is an almost spherical transparent gel that makes up 80 % of globe volume [1] (Fig. 7.1). Fig. 7.1 Vitreous…
Glaucoma Diagnosis in Myopic Eyes
Fig. 3.1 Variable deformation of the optic disc and peripapillary appearance in highly myopic eyes (Nakano et al. [28]) Recently, it has been shown that tilting of the optic disc…
High Myopia and Myopic Glaucoma: Findings in the Peripapillary Retina and Choroid in Highly Myopic Eyes
Fig. 4.1 Typical myopic disc with tilting on fundus photograph. The disc appears oval with the maximal diameter along the vertical axis Fig. 4.2 The schema of oblique insertion and…
Myopic Optic Neuropathy
Fig. 6.1 Various appearance of optic disc in eyes with pathologic myopia. (a and b) Optic disc area is enlarged and shows ‘megalodisc’ appearance. (c and d) Optic disc is…
Visual Field Damage in Myopic Glaucoma
(5.1) Where TDi is the TD value at the i-th test point, A and B are regression coefficients, and C is a regression constant. The extent of age-corrected damage at…
Clinical Features in Myopic Glaucoma
Fig. 2.1 Disc photograph of a 16-year-old male patient with crescent-type peripapillary chorioretinal atrophy (PPA) who was followed-up for 6 years. (a) Baseline disc photograph shows a small area of PPA…
Ocular Blood Flow in Myopic Glaucoma
Fig. 8.1 Morphological changes in the optic nerve head with progression of myopia. (a) Fundus photograph of a myopic eye in a 14-year-old male patient. (b) Fundus photograph of the…
An Epidemiologic Perspective
Ethnicity Country Project Age range (years) Participation rate (%) No. samples Myopia (<−0.5 diopters) Myopia (<−1.0D) High myopia (<−5 D) High myopia (<−6 D) Caucasian USA Baltimore Eye Survey [24]…
