Asteroid Hyalosis
![Asteroid Hyalosis](https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_200/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=Q5D5H6na 200w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_260/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=vG-Rtvaq 260w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_320/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=eXvCZ192 320w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_400/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=qGW6Z6VQ 400w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_1600/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=vA5zr-yy 430w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_520/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=_MSiSyc8 520w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_640/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=K7AY7YCN 640w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_800/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=YE6U2_h6 800w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_1040/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=0qyyDnkd 1040w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_1280/public/media/images/2022-04/asteroid-hyalosis.jpeg?itok=z44xv8DP 1280w)
- A form of vitreous degeneration in which calcium soaps aggregate in vitreous body.
- More prevalence in older patients with male to female ratio 2:1.
- Etiology is not clearly understood.
Clinical Features
- Symptoms: rarely affects patient's visual acuity even in cases of severe vitreous involvement.
- Signs:
- White to yellow-white small round to oval opacities suspended throughout the vitreous body
- 75 - 90% is found unilaterally
- Asteroid bodies move as the vitreous body moves and tend to return to their original positions
- Differential diagnosis include amyloidosis and cholesterolosis bulbi
Management
- No treatment is required.
- Vitrectomy may be indicated when poor visualization of the fundus causes retinal diseases diagnosis, follow-up and treatment difficult.
![Asteroid Hyalosis](https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_200/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=1FkpUHPx 200w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_260/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=O-tT5OcD 260w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_320/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=o_2civ2F 320w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_400/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=7XjDwCD6 400w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_1600/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=UTdMuSFF 430w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_520/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=4OpS5bhQ 520w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_640/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=8Wjb0WOG 640w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_800/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=XhCb45i7 800w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_1040/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=iB_XdT7f 1040w, https://www.vagelos.columbia.edu/sites/default/files/styles/cola_media_1280/public/media/images/2022-04/asteroid-hyalosis-2_0.jpeg?itok=fqygsHyk 1280w)