Hi Madhav, Eyeglasses- I don’t think so. But on early optical lenses, see here
https://www.jstor.org/stable/4526448 best, Matthew Sent from [Proton Mail](https://proton.me/mail/home) for iOS On Wed, Oct 11, 2023 at 05:36, Zoë Slatoff via INDOLOGY <[[email protected]](mailto:On Wed, Oct 11, 2023 at 05:36, Zoë Slatoff via INDOLOGY <<a href=)> wrote: > Hi Madhav, > > I wrote my PhD dissertation (hopefully soon to be a book) on the > Aparokṣānubhūti and have come to think that it was probably written closer to > the late fifteenth to mid-sixteenth century, as part of the growing Advaitic > response to the increased output of haṭhayoga texts. While the Dīpikā > commentary is attributed to Vidyāraṇya, it also seems to be later and > unlikely to have actually been written by him. > > This would support the idea of upanetra as referring to some sort of > magnifying lens, which seems to have been introduced by the Portuguese in the > 15th century (see Birch, Jason. 2011. “The Meaning of haṭha in Early Haṭha > Yoga.” p. 540, fn. 98). > > Best wishes, > Zoë > > Zoë Slatoff, Ph.D. > Clinical Professor of Sanskrit > > Loyola Marymount University > >> On Oct 10, 2023, at 8:08 PM, Madhav Deshpande via INDOLOGY >> <[email protected]> wrote: >> >> In his Aparokṣānubhūti verse 81, Śaṅkarācārya says: sūkṣmatve sarvavastūnāṃ >> sthūlatvaṃ copanetrataḥ. Here, some modern interpreters have interpreted the >> word upanetra as referring to eye-glasses or some lens that enlarges the >> view. I am just wondering about the history of lenses and eye-glasses around >> the time of Śaṅkara. An allied question will be the date and authorship of >> Aparokṣānubhūti. Any information and references are appreciated. >> >> Madhav M. Deshpande >> Professor Emeritus, Sanskrit and Linguistics >> University of Michigan, Ann Arbor, Michigan, USA >> Senior Fellow, Oxford Center for Hindu Studies >> Adjunct Professor, National Institute of Advanced Studies, Bangalore, India >> >> [Residence: Campbell, California, USA] >> _______________________________________________ >> INDOLOGY mailing list >> [email protected] >> https://list.indology.info/mailman/listinfo/indology
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