- https://www.allaboutvision.com/cosmetic/blepharoplasty.htm 
- https://www.matossianeye.com/what-is-blepharoptosis-and-what-can-i-do-about-it/ 
- https://www.everett-hurite.com/blog/what-is-ptosis-and-how-is-it-caused 
- https://www.mda.org/disease/myasthenia-gravis/signs-and-symptoms 
- https://www.aao.org/eye-health/diseases/what-is-ptosis 




