Yōga Sūtra 1.39

यथाभिमतध्यानाद्वा।

yathābhimatadhyānādvā।

[यथाभिमत ध्यानात् वा।
yathābhimata = such is the opinion; dhyānāt = on meditation; vā = as well;]

Such is the opinion on meditation as well (apart from the results of prānāyāma described so far).

Till now Patanjali was describing the results of prānāyāma. Now he says such is the opinion on meditation as well. Here clear distinction between prānāyāma, and dhyana is not given. Same is addressed in the next section.